NASA invites 150 Twitter followers to lunar launch

(PhysOrg.com) -- NASA has invited 150 followers of the agency's Twitter accounts to a two-day launch Tweetup Sept. 7-8. The Tweetup is expected to culminate in the launch of the twin moon-bound GRAIL spacecraft aboard a Delta ...

Gentle nudges towards Vesta

The Dawn space probe entered into an orbit around the planetoid Vesta. The planetoid is 2.3 times further from the Sun than the Earth. Dawn used the force of gravity to get there. And an ion engine.

James Webb space telescope ISIM on 'spin cycle'

Prior to taking a new telescope into space, engineers must put the spacecraft and its instruments through a "spin cycle" test for durability to ensure they'll still work after experiencing the forces of a rocket launch. Finding ...

Bacteria can grow under extreme gravity: study

(PhysOrg.com) -- A new study in the Proceedings of the National Academy of Sciences shows that bacteria is capable of growing under gravity more than 400,000 times that of Earth and gives evidence that the theory of panspermia ...

Riding a bike couldn't be ... more complicated

We are told there's nothing easier than riding a bike. The reality is when it comes to staying upright, there is nothing more complicated. The mathematical formula which explains the motion of a bicycle looks like it could ...

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