A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Email.php

Line Number: 691

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Email.php

Line Number: 696

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /home/samdictc/public_html/system/core/Exceptions.php:170)

Filename: libraries/Session.php

Line Number: 671

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at /home/samdictc/public_html/system/core/Exceptions.php:170)

Filename: libraries/facebook.php

Line Number: 37

A PHP Error was encountered

Severity: Warning

Message: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /home/samdictc/public_html/system/core/Exceptions.php:170)

Filename: libraries/facebook.php

Line Number: 37

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /home/samdictc/public_html/system/core/Exceptions.php:170)

Filename: core/Input.php

Line Number: 250

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

 

vệ tinh nhân tạo   

 


 

Các vệ tinh do con người phóng lên vũ trụ với nhiều mục đích khác nhau như: nghiên cứu khoa học, thông tin, liên lạc, quân sự...

 

Để phóng các vệ tinh nhân tạo, phải dùng những tên lửa cực mạnh, có ít nhất 3 tầng. Tầng đầu dùng để đẩy vệ tinh lên khỏi giới hạn của khí quyển, tầng hai đưa vệ tinh đến gần quỹ đạo lựa chọn, tầng ba dùng để điều chỉnh đúng tốc độ cũng như hướng chuyển động của vệ tinh.

 

Vệ tinh nhân tạo đầu tiên của Trái Đất được Liên Xô (cũ) phóng lên quỹ đạo vào năm 1957.

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86

A PHP Error was encountered

Severity: Warning

Message: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '+07/7.0/no DST' instead

Filename: libraries/Log.php

Line Number: 86