Why is there no gravity in space? - Immy Harker from Brighton

10/6/2014

Answered by Ivan Teage (Astrophysics & Natural History Expert)

There is some gravity in space but its very weak. Gravity is the force that pulls you back to earth, or if you are near another big object like the moon, or the sun, it would pull you towards that too. When space travellers get far enough away from earth the pull of gravity is so weak they don't feel it any more.

If two people met in space there would be a small amount of gravity pulling them together ever so slowly. This is because everything has gravity not just planets and stars. The really big things (like our planet Earth) have much stronger gravity and so we feel it everyday.

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Lydia Samuel
As Director of Blast Science and a Primary Science Teacher for more than 15 years, Lydia has answered unending questions about Science from hundreds of children for over a decade and has a wealth of Primary Science classroom experience. She has a particular passion for Wizard Science, Chocolate Science and all things Gross!

Tom Holloway
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Dr Matt Edwards
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Jonathan Brown
(Engineer at Ricardo) Had a strange fascination with all things mechanical from an early age and would often spend time 'fixing' his Dad's car without telling his Dad first. Rarely did it end happily, so of course he decided to continue this into a career than now spans almost 2 decades of designing engines for big names the world over. Having studied Mechanical Engineering at university he has been working since at a world leading technology consultancy, principally creating models and simulations of engines big and small for everyone from McLaren to Volvo. These days you're as likely to find him on a ship or looking at a tidal turbine, but it's still engines that keep him running.

Ivan Teage
Ivan is a experienced all-round scientist. He studied astrophysics after a childhood of being obsessed with going to the moon, and now works at the Natural History Museum in London using technology to explain Science to young and old audiences. Ivan is interested in the science of music and is keen to help people understand the natural world, how it works, and what it has to offer. He is looking forward to your questions about nature, space, music, sound & the meaning of life.

Alex Nicholls
With A-levels in Pure Maths, Applied Maths, Physics and Chemistry he went to Uni to read Nuclear Physics, but in the end switched to Law. He nevertheless retained a great interest in Science and has an encyclopedic general knowledge about nearly everything. Alex is also the linchpin of the Blast Science props dept but helps out answering complicated questions about Science for light relief from complicated carpentry.