News tagged with spectral lines

Mystery of dwarf galaxy could be ejected black hole

An international team of researchers analyzing decades of observations from many facilities—including the W. M. Keck Observatory on Mauna Kea, the Pan-STARRS1 telescope on Haleakala and NASA's Swift satellite—has ...

Nov 19, 2014
4.2 / 5 (12) 1

Combs of light accelerate communication

Miniaturized optical frequency comb sources allow for transmission of data streams of several terabits per second over hundreds of kilometers – this has now been demonstrated by researchers of Karlsruhe ...

Apr 14, 2014
4.3 / 5 (6) 0

Candidate most massive binary star identified

Astronomers have observed a binary star that potentially weighed 300 to 400 solar masses at birth. The present day total mass of the two stars is between 200 and 300 times that of the Sun, depending on its ...

Apr 17, 2013
4.7 / 5 (7) 0 | with audio podcast

Astrochemistry enters a bold new era with ALMA

(Phys.org)—Combining the cutting-edge capabilities of the ALMA telescope with newly-developed laboratory techniques, scientists are opening a completely new era for deciphering the chemistry of the Universe. ...

Sep 20, 2012
5 / 5 (5) 0 | with audio podcast

A new paradigm for active galactic nuclei

(Phys.org) -- Seyfert galaxies are similar to normal galaxies like our own Milky Way except in one critical respect: their nuclei are fantastically bright, in extreme instances as luminous as 100 billion suns. ...

Apr 24, 2012
5 / 5 (3) 4 | with audio podcast

H3+: The molecule that made the Universe

(Phys.org) -- In a study that pushed quantum mechanical theory and research capabilities to the limit, University of Arizona researchers have found a way to see the molecule that likely made the universe - ...

Apr 12, 2012
4.6 / 5 (18) 9 | with audio podcast