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As the universe expands, it stretches out the waves of light coming from distant galaxies. Now you can measure this stretching, or “redshift” and use it to look back in time...
What glows there? The answer depends: sea or sky? In the sea, the unusual blue glow is bioluminescence. Specifically, the glimmer arises from Noctiluca scintillans,...
of extremes of societal relevance that occur on subseasonal time scales such as heat waves, floods, and flash droughts. Associated Publication: Schubert, S. D., Chang, Y.,...
Can dust be beautiful? Yes, and it can also be useful. The Taurus molecular cloud has several bright stars, but it is the dark dust that really draws attention. The...
Vivid and lustrous, wafting iridescent waves of color wash across this skyscape from Kilpisjärvi, Finland. Known as nacreous clouds or mother-of-pearl clouds, they are rare...
waves averaged over long exposures. The featured image is a composite of several foreground and background shots taken with the same camera and from the same location on...
the electric and magnetic field environment of the lunar surface from DC to 20 MHz. The payload consists of a fluxgate magnetometer, a search coil magnetometer, and a 7-meter...
surface and orbital operations. Transfers of MAPS algorithms are represented by dotted arrows while GPS signals are indicated by black and red waves. Credit: NASA/MSFC...
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...
) through gaining or losing electrons Ionosphere - The layer of the earth's atmosphere that contains a high concentration of ions and free electrons and is able to reflect...