News tagged with sky surveys

NEOWISE—a yearlong look at the sky

NASA's Near-Earth Object Wide-field Survey Explorer (NEOWISE) spacecraft discovered and characterized 40 near-Earth objects (NEOs) in the first year after the mission was re-started in December 2013. Eight ...

Jan 20, 2015
5 / 5 (5) 1

Strange galaxy perplexes astronomers

With the help of citizen scientists, a team of astronomers has found an important new example of a very rare type of galaxy that may yield valuable insight on how galaxies developed in the early Universe. ...

Dec 02, 2014
4.3 / 5 (22) 4

New survey begins mapping nearby galaxies

A new survey called MaNGA (Mapping Nearby Galaxies at Apache Point Observatory) has been launched that will greatly expand our understanding of galaxies, including the Milky Way, by charting the internal ...

Aug 18, 2014
4.8 / 5 (12) 1

The Sloan Digital Sky Survey expands its reach

The Sloan Digital Sky Survey (SDSS) has launched a major program of three new surveys, adding novel capabilities to expand its census of the Universe into regions it had been unable to explore before.

Jul 16, 2014
5 / 5 (4) 0

Mining data archives yields haul of 'red nuggets'

The world of astronomy has changed. An astronomer used to have to travel to a remote location and endure long, cold nights, patiently guiding a telescope to collect precious photons of light. Now, a proliferation ...

Jun 11, 2014
4.4 / 5 (9) 1

Cosmologists weigh cosmic filaments and voids

(Phys.org) —Cosmologists have established that much of the stuff of the universe is made of dark matter, a mysterious, invisible substance that can't be directly detected but which exerts a gravitational ...

Apr 17, 2014
4.2 / 5 (35) 20