In the context of general relativity, space almost is a substance. It can bend and twist and stretch, and probably the best way to think about space is to just kind of imagine a big piece of rubber that you can pull and twist and bend.
Copy QuoteModern science says: 'The sun is the past, the earth is the present, the moon is the future.' From an incandescent mass we have originated, and into a frozen mass we shall turn. Merciless is the law of nature, and rapidly and irresistibly we are drawn to our doom.
Copy Quote View & ShareThe Earth is the cradle of humanity, but mankind cannot stay in the cradle forever.
Copy Quote View & ShareIt's a very sobering feeling to be up in space and realize that one's safety factor was determined by the lowest bidder on a government contract.
Copy Quote View & ShareWe are just an advanced breed of monkeys on a minor planet of a very average star. But we can understand the Universe. That makes us something very special.
Copy Quote View & ShareWhat we observe as material bodies and forces are nothing but shapes and variations in the structure of space.
Copy Quote View & ShareAfter one look at this planet any visitor from outer space would say 'I want to see the manager.'
Copy Quote View & Share