Astronomers found that as planets form out of the chaotic churn of gravitational, hydrodynamic — or, drag — and magnetic forces and collisions within the dusty, gaseous protoplanetary disk that …read more Source:: Science
Tag: gravitational
Defying the laws of physics? Engineers demonstrate bubbles of sand
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•A recent discovery explains a new family of gravitational instabilities in granular particles of different densities that are driven by a gas-channeling mechanism not seen in fluids. The team observed …read more Source:: Science
How to escape a black hole: Simulations provide new clues about powerful plasma jets
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•New simulations have combined decades-old theories to provide new insight about the driving mechanisms in plasma jets that allows them to steal energy from black holes’ powerful gravitational fields and …read more Source:: Science
Saturn hasn’t always had rings
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•In its last days, the Cassini spacecraft looped between Saturn and its rings so that Earth-based radio telescopes could track the gravitational tug of each. Scientists have now used these …read more Source:: Science
All in the family: Kin of gravitational wave source discovered
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•According to new research, an object named GRB150101B — first reported as a gamma-ray burst in 2015 — shares remarkable similarities with GW170817, the neutron star merger discovered by LIGO …read more Source:: Science
Earth’s orbital changes have influenced climate, life forms for at least 215 million years
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•Every 405,000 years, gravitational tugs from Jupiter and Venus slightly elongate Earth’s orbit, an amazingly consistent pattern that has influenced our planet’s climate for at least 215 million years and …read more Source:: Science
LIGO and Virgo observatories jointly detect black hole collision
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•The first observation of gravitational waves has been discovered by by three different detectors, marking a new era of greater insights and improved localization of cosmic events now available through …read more Source:: Science
Detour via gravitational lens makes distant galaxy visible
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•Never before have astrophysicists measured light of such high energy from a celestial object so far away. Around 7 billion years ago, a huge explosion occurred at the black hole …read more Source:: Science