News tagged with gravity forces
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 ...
Space & Earth / Space Exploration
Sep 02, 2011 |
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GRAIL moon mission in final preparations for September launch
NASA's Gravity Recovery And Interior Laboratory (GRAIL) mission to study the moon is in final launch preparations for a scheduled Sept. 8 launch from Cape Canaveral Air Force Station in Florida.
Space & Earth / Space Exploration
Aug 26, 2011 |
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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.
Space & Earth / Space Exploration
Aug 02, 2011 |
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The constants they are a changin': NIST posts latest adjustments to fundamental figures
The electromagnetic force has gotten a little stronger, gravity a little weaker, and the size of the smallest "quantum" of energy is now known a little better. The National Institute of Standards and Technology ...
Jul 20, 2011 |
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The decoding of slowness: Zoologists find out how sloths perfected energy saving
Zoologists of the Friedrich Schiller University Jena found out how sloths move and how their locomotive system adapted to their unhurried lifestyle in the course of evolution.
Jul 19, 2011 |
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Unfasten your seatbelts aboard the ZERO-G
What child has not dreamed of breaking free from gravity's chains and floating, weightless, above Earth's surface?
Space & Earth / Space Exploration
Jun 23, 2011 |
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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 ...
Space & Earth / Space Exploration
May 30, 2011 |
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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 th ...
Apr 26, 2011 |
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Satellite measures gravity's effect on climate change
After nearly two years in space, the European satellite GOCE has collected the raw data needed to map variations in Earth's gravity field, the European Space Agency has said.
Space & Earth / Earth Sciences
Mar 09, 2011 |
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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 ...
Jun 27, 2010 |
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Neuropsychologist says most concussions deliver 95g's
Head injury expert Kim Gorgens, a neuropsychologist at the University of Denver (DU), says that most concussions deliver 95 g's to the human body upon impact. G-force is a unit of force equal to the force exerted by gravity. ...
Jun 24, 2010 |
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GOCE satellite determines gravitational force in the Himalayas
ESA's GOCE satellite has been orbiting the Earth for more than a year and surveying its gravitational field more accurately than any instrument previously. The goal of the researchers - including German scientists ...
Space & Earth / Earth Sciences
May 07, 2010 |
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Free online activity explains MESSENGER spacecraft's Mercury flyby on Sept. 29
(PhysOrg.com) -- NASA's MESSENGER spacecraft will fly past the planet Mercury on Sept. 29, and a free online simulator created by staff at Montana State University's Burns Technology Center helps explain how ...
Space & Earth / Space Exploration
Sep 21, 2009 |
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Discovered after 40 years: Moon dust hazard influenced by Sun's elevation
In the 1960s and 1970s, the Apollo Moon Program struggled with a minuscule, yet formidable enemy: sticky lunar dust. Four decades later, a new study reveals that forces compelling lunar dust to cling to surfaces ...
Space & Earth / Earth Sciences
Apr 17, 2009 |
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Engineering bouncing babies, one at a time
As hopeful moms-to-be learn, there are important considerations to the successful implantation of a fertilized human egg. A calm environment, regular hormonal injections and the timing of the implantation can all affect the ...
Mar 02, 2009 |
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