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NEWS ABOUT: gravity

$750M Later, Einstein Proven Right

NASA's Gravity Probe B vindicates predictions about warping of space, time

(Newser) - Einstein was right: Observations from NASA’s Gravity Probe B have confirmed that the Earth really does warp time and space around it. The probe contained four perfectly engineered gyroscopes, and took incredibly precise measurements of their spin axes, expecting the curve of space-time around the Earth to cause predictable... More »

'Potato Earth' Reveals Gravity's Uneven Pull

Goce satellite image gives clues on climate change, earthquakes

(Newser) - Gravity pulls harder on the French than it does on Americans—and a new image proves it. The graphic from earth’s lowest-flying scientific satellite shows the uneven distribution of gravity across the world, resulting in an exaggerated “potato”-shaped image, the BBC reports. The new data could have... More »

Team Proves Einstein's Relativity Affects Aging

Gravity's effect on time means your hair is aging faster than your feet

(Newser) - People age faster—very, very slightly faster—the higher above ground they live, according to scientists testing Einstein's theory of relativity. Researchers using ultra-precise atomic clocks found that time, as Einstein predicted, is slowed down by gravity even over minuscule distances. The scientists found that just moving a couple of... More »

Gravity Doesn't Exist: Physics Prof

String theorist shakes up 300 years of science

(Newser) - Anyone who's ever seen a ball drop knows it's obvious that gravity exists—right? Not so fast, says a prominent string theorist who has called into question 300 years of science with a new paper arguing that gravity is merely an illusion. Dutch physicist Erik Verlinde says gravity is not... More »

Gravity's Rainbow Captured in HD

Satellite provides picture of planet pull

(Newser) - A mesmerizingly multi-hued map of the Earth's gravity has been created with the help of detailed measurements taken by Europe's Goce satellite. The data has been transformed into a "geoid," or map, highlighting the differences in the planet's pull, from its mountain ranges to ocean trenches, to create... More »

Help Wanted: Pillownauts for NASA

They do so for months to mimic lunar gravity

(Newser) - If astronaut school seems too daunting, this might be the next best thing. NASA is offering $160 per day for human testers to lie down at a slight downward angle—a position that simulates the moon's gravitational pull—for months at a stretch. It may sound easy, but bodies aren't... More »

Laws of Physics May Need an Overhaul

Scientists detect gravity-defying behavior of spacecrafts

(Newser) - The laws of physics just might be broken. Scientists have detected gravity-defying behavior from spacecrafts flung around the Earth, the Economist reports. Five different spacecrafts picked up speed at a pace deviating,ever so slightly, from the laws created by Newton and Einstein. After laborious calculations, astronomers have created a... More »

Hubble Finds Dark Matter

(Newser) - Astronomers have discovered a ring of dark matter in a galaxy cluster about 5 billion light years away. The Hubble Telescope turned up an anomaly in the way stars in the area appear, which researchers think is a distortion caused by the intense gravity of the galactic "glue" holding... More »

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