Answers to Space Science Questions

Answers to questions about space science, astronomy, rockets, planets, galaxies, stars...

Distant planet

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Physics | Space

How far is a light-year?

04 December 2018

What, or when, would aliens see, if they looked at the earth?

Biology | Earth Science | Physics | Space

Can you create a miniature Mars at home?

07 February 2013

Is it possible to recreate the conditions found on Mars down here on Earth?

Medicine | Physics | Space

Would things sound different on Mars?

25 November 2012

As the Martian Atmosphere is much thinner than down here on Earth - how does this alter the way sound travels? On Mars...

Physics | Space

Is the gas in gas giants highly compressed?

18 November 2012

Physics | Space

Why is gravity weaker at the centre of the Earth?

25 October 2012

Physics | Space

How can energy escape a black hole?

25 October 2012

Earth Science | Space

How do we know Martian meteorites are from Mars?

25 October 2012

Space | Technology

How long would a round trip to the centre of the galaxy and back take?

25 October 2012

Why does the moon sometimes appear out-of-place?

21 October 2012

Why do all planets orbit in almost the same plane?

25 September 2012

Physics | Space | Technology

Can you generate light with a radio antenna?

25 September 2012

Physics | Space

Is light blue-shifted by gravity?

25 September 2012

Do telescopes only see back in time?

25 August 2012

Space | Technology

What can we expect next from Curiosity?

17 August 2012

Physics | Space

Does Curiosity use Nuclear Power to avoid Dusty Solar Panels?

17 August 2012

Space | Technology

How much computing power does curiosity have?

17 August 2012

Physics | Space

Why don't Saturn's rings aggregate to form moons?

17 August 2012

Physics | Space

What is the temperature inside a black hole?

12 August 2012

Physics | Space

Can black holes lose enough mass to stop being black holes?

12 August 2012

Medicine | Space

What happens if you're exposed to the vacuum of space?

12 August 2012

Physics | Space

Will ice melt in a cold, dark vacuum?

12 August 2012

Physics | Space

Why don't Saturn's rings aggregate to form moons?

12 August 2012

Physics | Space

Does light need a medium in order to travel?

12 August 2012

Space | Technology

Will Curiosity Have the Longevity of Voyager I?

06 August 2012

Space | Technology

How Much do Space Missions Cost?

06 August 2012

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