An odd reddish polar cap on Pluto’s moon Charon has puzzled scientists since 1st seen in 2015. Now researchers may have solved the mystery of Charon’s red cap.
The post Charonâs red cap created by âatmospheric surgesâ first appeared on EarthSky.
Scientists studied past geomagnetic storms to learn more about how strong storms affect the power grid. The maps here show areas most at risk.
The post Geomagnetic storms: Will you lose power where you live? first appeared on EarthSky.
BoÃ¶tes the Herdsman is a large constellation that holds one of the brightest stars in the sky, Arcturus. Only 3 others stars and the sun are brighter.
Astronomers say they have observed an unusual fast radio burst – only the 2nd so far – where smaller bursts persistently occur in-between repeating large bursts.