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Universe
Oct 20, 2008

fiery explosion. It's kind of like a crash." So how could scientists know whether this explanation is true? One way could be to detect gravitational waves. Before the two...

Sun
Nov 7, 2001

deeper, you find material rushing inward, like a planet-sized whirlpool or hurricane. This inflow pulls the magnetic fields together."     Solar...

Feb 16, 2005

, ultrasound images appear instantly. You don't have to wait for, say, x-ray films to be developed. Got a problem? Ultrasound can find it quickly. An ultrasound probe works...

Universe
Jul 29, 2019

2015, LISA Pathfinder demonstrated most of the key technologies necessary for detecting and measuring gravitational waves, including both cold gas (an ESA-led technology) and...

Universe
Aug 18, 2014

." Most people have heard of "seismology," the study of seismic waves moving through the Earth.  "We can learn a lot about the structure of our planet by studying...

Universe, Stars
May 30, 2018

second! Some neutron stars, called radio pulsars, have strong magnetic fields and emit radio waves in predictable, reliable pulses. Other neutron stars have even stronger...

Apr 16, 2015

sitting at a picnic table in the shade at NASA’s Jet Propulsion Laboratory in Pasadena, California, yakking away about fluorescent light, which plants emit during...

Earth
May 22, 2016

solar variability. On the shortest time scales, solar global oscillations of low degree have been detected in the ACRIM I total irradiance data. This data may give us...

Universe, ISS
Jan 5, 2021

stars. This would provide valuable insight into such events, which are also detected through gravitational waves by observatories on Earth. These events are where most of the...

Universe, Stars, Earth’s Space Environment
Mar 6, 2018

from bow waves, the curved ridge of water in front of a fast-moving boat created by the force of the bow pushing forward through the water. Bow waves and bow shocks can look...

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