This is the fourth comet Gröller has discovered, but given its extraordinary distance, it was the most exciting find, he says ...

The camera is mounted on the Víctor M. Blanco 4-meter Telescope at Cerro Tololo Inter-American Observatory in Chile. Cometary ...

The great telescope is one of the two largest in the southern hemisphere. Bok's recent work has been in radio astronomy. He is co-director of the Harvard Radio Astronomy Project at the George R.

The bright variable star V 372 Orionis takes center stage in this Hubble Space Telescope image, which has also captured a smaller companion star in the upper left of this image.

Pity the poor constellation Monoceros. The faint Unicorn is outshone by famous constellations like Gemini, the Twins, to the north and Orion, the mythic giant, to the west.