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probably heated in several different ways. For instance, plasma waves from the sun can rise into the corona and crash, depositing their energy there. At the same time, “heat...
outer reaches of our solar system”. The ability of CHIMERA to measure the entire frequency range of interest (DC to ~10 kHz) with a single compact sensor requiring only one...
objects in them appear dimmer." Above and Below: Astronomers know the universe is expanding because of the "red shift" seen in the light from distant galaxies...
listening for eerie-sounding "chorus" emissions. Chorus signals are low frequency plasma waves that produce strange whistling and popping sounds when converted to audio...
each of four wavelengths that ranged from 5 to 35 times longer than the longest waves that the human eye can see. The data taken by WISE was downloaded by radio transmission...
nothing they've ever seen before. Rising out of the waves in place of the usual sun will be an inky-black hole surrounded by pale streamers splayed across the sky. Sea birds...
using a radar altimeter -- an instrument similar to weather radars here on Earth. Here’s how it works: The satellite emits a pulse of radar waves that travel down toward...
large areas of skies, detection of gravitational waves from space, and understanding exoplanet chemical element compositions. Critical technologies enabling such measurements...
-rays bathed the dayside of our planet and sent waves of ionization rippling through the atmosphere over Europe. Hams monitoring VLF radio beacons noticed strange "fades" and...
than smooth waters. From that information, scientists can derive wind speed, as well as its direction based on the orientation of the waves. “RapidScat excels at measuring...