Weekly Digest Jan. 17, 2014

WISELarge Synoptic Survey Telescope: Entering the Era of Petascale Optical Astronomy (Colloquium Lecture)
Visiting speaker, Mario Juric of the LSST group, delves into the implications of LSST-sized data sets on astronomy in the 2020s, and how we as a community will prepare for the coming age of petascale datasets.

Swift telescopeNASA's Swift Catches X-ray Action at Milky Way's Center
Recent observations by NASA's Swift spacecraft have provided scientists a unique glimpse into the activity at the center of our galaxy and led to the discovery of a rare celestial entity that may help them test predictions of Albert Einstein's theory of general relativity.

WISENASA warns of 'potentially hazardous' asteroid
A new, "potentially hazardous" asteroid has been discovered by one of NASA’s recently reactivated spacecraft – and it’s headed in Earth’s direction.

hypervelocitySurprising New Class of 'Hypervelocity Stars' Discovered Escaping the Galaxy
An international team of astronomers has discovered a surprising new class of "hypervelocity stars" -- solitary stars moving fast enough to escape the gravitational grasp of the Milky Way galaxy.

hubbleUnravelling the Web of a Cosmic Creeply-Crawly
This new Hubble image is the best-ever view of a cosmic creepy-crawly known as the Tarantula Nebula, a region full of star clusters, glowing gas, and dark dust.

WISEMars' fleets of rock "boats"
Some excellent trivia from Laurie Fenton's blog - why do you think these rocks are sometimes referred to as "fleets"? Click through for the answer!