Astronomy & Space

What would happen if an asteroid hit the moon?

What would happen if an asteroid hit the moon?...

If someone is traveling the speed of light to our closest st

If someone is traveling the speed of light to our closest star how long would it take?Would the time it took them on the space ship be different from the time back here in earth? Why is that?...

What is past the sky?

What is past the sky?...

If another galaxy collided with ours would it destroy earth

If another galaxy collided with ours would it destroy earth and the entire solar system?...

If the Universe is all there is.. What are we expanding into

If the Universe is all there is.. What are we expanding into?...

Can we hear radio signals from earth reflected from distant

Can we hear radio signals from earth reflected from distant planets?Can we hear the first radio transmissions from earth?...

Does Neil de GrasseTyson believe there is a "good possi

Does Neil de GrasseTyson believe there is a good possibility that our consciousness and reality is all part of a computer simulation?...

What are we gonna do the North pole keeps shifting?

What are we gonna do the North pole keeps shifting?https://www.dailymail.co.uk/sciencetech/article-6579515/Scientists-warn-Earths-magnetic-North-Pole-begun-moving-erratically-speeds-50km-year.html...

Could constructing a spacecraft from ice have enough integra

Could constructing a spacecraft from ice have enough integraty and would the ice be enough to sheild the crew from iterstella radiation?...

What are the chances of humanity being the only intelligent,

What are the chances of humanity being the only intelligent, technological civilisation in our galaxy with 400 billion stars to choose from?...

How can you determine what elements makes up a star?

How can you determine what elements makes up a star?...

Is it possible to collect "soil" from every planet

Is it possible to collect soil from every planet in our solar system, put them in a jar, and sell it on the black market?...

Can I ask you a question about the sun & other stars?

Can I ask you a question about the sun other stars?...

Is there going to to be astroid hit earth and end humanity i

Is there going to to be astroid hit earth and end humanity in next 5 year s?...

How far would it take us to get to a galaxy 1 billion light

How far would it take us to get to a galaxy 1 billion light years away, in hours?...