Image Credit: Russell Kightley; Inset: P. Marenfeld/NOAO/AURA/NSF and E. Acosta/LSST/AURA/NSF
Supernova Survivor Flung Far from Home
Although most supernovae completely obliterate the exploding white dwarf, one unusual white dwarf appears to be a fragment of a ‘failed’ explosion. Ejected by the explosion with a speed high enough to escape the Galaxy, the star’s atmosphere is tainted by supernova explosion products. Forensic spectra taken with the KPNO Mayall telescope helped astronomers reconstruct the star's perilous past.
In 2013 a house-sized meteor exploded over the Russian city of Chelyabinsk. How many similar-sized rocks have orbits that bring them close to the Earth? Read more in NOAO Press Release 17-04.
Join the international star-hunt campaign, Globe at Night, September 12-21. Use a smart phone to submit sky brightness in real time! Visit globeatnight.org.
70-26-4: The Cosmic Mix Confirmed. The results from the Dark Energy Survey, carried out with DECam on the CTIO Blanco telescope, were derived from high precision maps of gravitational lensing and large scale structure.
Superluminous supernova proclaims the death of a star at cosmic high noon. The supernova, one of the most distant ever discovered & confirmed, was detected with the Dark Energy Camera.
Distant Galaxies ‘Lift the Veil’ on the End of the Cosmic Dark Ages:
NOAO Press Release 17-03.
A New Jovian Mini-Moon
Discovered with DECam on the CTIO Blanco telescope, the diminutive moon S/2017 J1, only a mile across, takes 2 years to complete an orbit around Jupiter.
Blowing the Cover of a Hidden Black Hole
A close look at the center of a nearby galaxy has revealed a surprising connection between the galaxy and the supermassive black hole at its center.