They find 15 rare active asteroids in 430 thousand archive images
Madrid. A total of fifteen active asteroids have been discovered in a review of 430 thousand images from the Dark Energy Camera (DECam) of the Víctor M. Blanco telescope in Chile. Some extraordinary asteroids have “activity”: comet-like tails or envelopes of gas and dust. NASA’s Active Asteroids project had more than eight thousand volunteer astronomers … Read more