Astronomy & Space

If aliens exist, would they be so far away from us that they

If aliens exist, would they be so far away from us that they would be seeing dinosaurs right now?...

Can a black hole as per its definition eventually swallow al

Can a black hole as per its definition eventually swallow all the celestial bodies in the Universe?...

If we found a habitable moon orbiting a super Jupiter orbiti

If we found a habitable moon orbiting a super Jupiter orbiting a Sunlike star 30 light years away what would happen next?So we did it it we found an Earth like moon orbiting a gas giant around the habitable zone sunlike star. The moon has 60...

What if the Earth were now in synchronous rotation with the

What if the Earth were now in synchronous rotation with the Moon?That is, suppose that Earth rotated at the same rate that the Moon orbits Earth. What would be different about Earth and life on it?...

Why doesn't the air we walk around in have color like th

Why doesnt the air we walk around in have color like the sky?...

How much longer will humans exist on Earth?

How much longer will humans exist on Earth?...

Why does it take Earth 365 days to orbit the sun?

Why does it take Earth 365 days to orbit the sun?...

how can i stop worrying about space (asteroids, GRBs, supern

how can i stop worrying about space (asteroids, GRBs, supernova, etc etc) and the end of the world in general?...

if we lost the sun when inside a black hole what would happe

if we lost the sun when inside a black hole what would happen to use on earth?...

If you fell into Jupiter's atmosphere would you fall all

If you fell into Jupiters atmosphere would you fall all the way to the core or would the atmosphere get so thick that you would float?...

Why are almost all stars and planets in the universe spheric

Why are almost all stars and planets in the universe spherical with equators and poles but not cubical?...

How is it possible that NASA lost its technology from the Ap

How is it possible that NASA lost its technology from the Apollo Program irretrievably?How is it possible that NASA lost its technology from the Apollo Program irretrievably? The Saturn V rocket project has been lost. Also, no new rocket can...

Describe the universe in 1 word that does not involve its ob

Describe the universe in 1 word that does not involve its obviously gigantic size?...

Are there any credible or researchesnsources that definitely

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When will the universe run out of space? New stars and plane

When will the universe run out of space? New stars and planets are forming every day?...