Pages: [1] Go Down
If we put a mirror millions of light years away and reflected earth, could we see what earth looked like millions of years ago?
- 9 Replies
- 33005 Views
- 0 Tags
0 Members and 4 Guests are viewing this topic.
Pages: [1] Go Up
Tags:
![]() |
What is "light" pressure?
Started by sorincosofretBoard Physics, Astronomy & Cosmology |
Replies: 34 Views: 62008 |
![]() by Bill S |
![]() |
What is a halogen light bulb? What halogen is used and why is this better?
Started by chrisBoard Technology |
Replies: 4 Views: 27334 |
![]() by Mazurka |
![]() |
Is solar energy the same as light energy?
Started by FeliciaBoard Technology |
Replies: 10 Views: 48680 |
![]() by Bored chemist |
![]() |
What is Time? If there was no light would Time cease to be?
Started by londounkmBoard Physics, Astronomy & Cosmology |
Replies: 328 Views: 195700 |
![]() by gem |
![]() |
Why do we need to light the rocket fuel for a rocket to take off?
Started by GlentoranMarkBoard Physics, Astronomy & Cosmology |
Replies: 17 Views: 29264 |
![]() by Just thinking |