Questions with the keyword 'speed of light'

• Since we can only see because of the presence of light, if galaxies are millions of light years away, then aren’t we by anon-253043 to Tana, Rosanna, Imogen Comments: (No comments so far )
• Is there any logic at all the the ideology of hyperspace and travelling at the speed of light (as seen in star wars) or by anon-252780 to Marios Comments: (so far, 2s comments )
• Time travel… could it exist, and would it involve the speed of light? Could you actually travel backwards or forwards by anon-251974 Comments: (So far, one comment )