Sort by

Loading results ...

Showing 81 - 90 of 374 Results
Mar 6, 2018

. These gravity waves are oscillations in air analogous to those created when a rock is thrown in calm water. Red airglow likely originates from OH molecules about 87-...

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...

Jun 27, 2021

. Once made, some movies clearly show that Saturnian auroras can change not only with the angle of the Sun, but also as the planet rotates. Furthermore, some auroral...

Earth
Apr 19, 2019

favorite natural features, such as crashing waves, ancient trees, blooming flowers, or stunning sunsets. Use the hashtag #PictureEarth and upload the photo on April 22. Be...

Jan 10, 2020

Vivid and lustrous, wafting iridescent waves of color filled this mountain and skyscape near Tanndalen, Sweden on January 3. Known as nacreous clouds or mother-of-pearl...

Mar 31, 2021

To play on Carl Sagan’s famous words "If you wish to make black hole jets, you must first create magnetic fields." The featured image represents the detected intrinsic...

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...

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...

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...

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...

Pages