The other thread got me interested on this subject.
Below is an interesting video about the expansion of the universe. i wonder if this means that exploring galaxies beyond us is just becoming harder as time passes. post some more theories, i'm interested to see what other scientists say.
this is the most important part of the vid you want to see.
I always enjoy these threads. As for the galaxies moving away from each other, google the "andromeda galaxy", it's on a collision course with the milky way...in roughly 3 billion years
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actually with proper technology we can go close to the speed of light, when you're going close to the speed of light, time "slows down". so if you were on a ship going very close to the speed of light, it would take you only decades to fly across the universe, while the time outside your ship would have passed by billions of years. so its definitely possible that humans might fly to other planets, there just won't be any contact between the original population and the new one, because the original population will be dead. the problem is that because hydrogen atoms are so sparce in space, the scoop that picks them up would have to be like the size of the moon in order for the ship to achieve close to light speed.
actually with proper technology we can go close to the speed of light, when you're going close to the speed of light, time "slows down". so if you were on a ship going very close to the speed of light, it would take you only decades to fly across the universe, while the time outside your ship would have passed by billions of years. so its definitely possible that humans might fly to other planets, there just won't be any contact between the original population and the new one, because the original population will be dead. the problem is that because hydrogen atoms are so sparce in space, the scoop that picks them up would have to be like the size of the moon in order for the ship to achieve close to light speed.
actually with proper technology we can go close to the speed of light, when you're going close to the speed of light, time "slows down". so if you were on a ship going very close to the speed of light, it would take you only decades to fly across the universe, while the time outside your ship would have passed by billions of years. so its definitely possible that humans might fly to other planets, there just won't be any contact between the original population and the new one, because the original population will be dead. the problem is that because hydrogen atoms are so sparce in space, the scoop that picks them up would have to be like the size of the moon in order for the ship to achieve close to light speed.
what is this moon scoop you speack of?
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its just one theoritical spacecraft that can achieve close to light speed by picking up hydrogen atoms from space and accelerating them or something like that. because hydrogen atoms are so sparce, theres like one in cubic centimeters or something, you need a very big "scoop" to pick up enough of them.
actually with proper technology we can go close to the speed of light, when you're going close to the speed of light, time "slows down". so if you were on a ship going very close to the speed of light, it would take you only decades to fly across the universe, while the time outside your ship would have passed by billions of years. so its definitely possible that humans might fly to other planets, there just won't be any contact between the original population and the new one, because the original population will be dead. the problem is that because hydrogen atoms are so sparce in space, the scoop that picks them up would have to be like the size of the moon in order for the ship to achieve close to light speed.
whether that was complete bullshiit or not...mind=blown
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prove it? im not taking this from a sci fi flick loll
when you go fast you don't experience time dilation yourself, you only observe it in the things you are moving relative to, so you don't have any more time to reach your destination by going so fast.
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when you go fast you don't experience time dilation yourself, you only observe it in the things you are moving relative to, so you don't have any more time to reach your destination by going so fast.
you are incorrect. google the twin paradox
Time in the moving system will be observed by a stationary observer to be running slower by the factor t':
the y axis shows by how much time is slowed relative to stationary observer as velocity approaches speed of light
As it can be seen from the above function, the effect of time dilation is negligible for common speeds, such as that of a car or even a jet plane, but it increases dramatically when one gets close to the speed of light. Very close to c, time virtually stands still for the outside observer.
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