Friday, May 26 • While twilight is still bright, can you catch the thin crescent Moon just above the west-northwest horizon? The Moon is only about 1¼ days old as seen at the time of dusk for North America (because new Moon was at 3:44 p.m. EDT yesterday the 25th). And, how about little […]
Stay up late and you'll see the return of one of the sky's most familiar asterisms, the Summer Triangle. Firefly nights under the arch of the summertime Milky Way will soon be here. The post The Summer Triangle Makes its Midnight Debut appeared first on Sky & Telescope.
A new NASA mission, the Neutron Star Interior Composition Explorer (NICER), is headed for the International Space Station to observe one of the strangest observable objects in the universe. In this photo, NICER’s X-ray concentrator optics are inspected for dust and foreign object debris that could impair functionality once in space.