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Solar System, Mars
Jun 21, 2018

have a pattern or are they randomly located? When a quake occurs on a planet, it releases waves of energy that bounce throughout the interior of that planet. The waves...

Mar 7, 2018

speeds of hundreds of kilometers per second. The interaction creates luminous shock waves known as Herbig-Haro (HH) objects. For example, the graceful, flowing arc just...

Feb 3, 2019

was created by atmospheric gravity waves, ripples of alternating air pressure that can grow with height as the air thins, in this case about 90 kilometers up. Unlike...

Jun 8, 2019

be captured in the sea and night skyscape from Big Sur, planet Earth. Its central bulge near the southwestern horizon, the Milky Way runs through the scene too, while the...

May 15, 2020

go-round lasted about 100 million years and likely raised density waves rippling around M81, resulting in the richness of M81's spiral arms. M82 was left with violent...

Oct 5, 2020

core of this active galaxy glows brightly in radio waves and X-rays where twin jets have been found. An unusual central glow makes M106 one of the closest examples of...

Universe
Mar 26, 1999

the spectrum, from gamma-rays to radio waves. The motive: Unknown. Determining what happens during a gamma-ray burst reads like a detective story. Scientists are hot on the...

Feb 18, 2018

Stars can make waves in the Orion Nebula's sea of gas and dust. This esthetic close-up of cosmic clouds and stellar winds features LL Orionis, interacting with the Orion...

Sep 8, 2020

in dense star clusters. Featured is an illustration of the black holes just before collision, annotated with arrows indicating their spin axes. In the illustration, the...

Sun
Dec 6, 2007

and colleagues have examined four jets in great detail and found that they launch magnetic waves into the sun's upper atmosphere. These waves, called Alfven waves, propagate...

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