News tagged with european southern observatory

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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

How a sunset comet came to be

(Phys.org) —For a comet, visiting the sun is risky business. Fierce solar heat vaporizes gases long frozen in the fragile nucleus, breaking up some comets and completely destroying others.

Mar 18, 2013
5 / 5 (2) 0 | with audio podcast

Galaxies: Some assembly required

New research using the world's largest telescope at the Keck Observatory in Hawaii has revealed two distinct populations of star clusters surrounding galaxies that have radically different chemical composition.

Oct 23, 2012
4 / 5 (5) 2 | with audio podcast

A deeper look at Centaurus A

(Phys.org) -- The strange galaxy Centaurus A is pictured in a new image from the European Southern Observatory. With a total exposure time of more than 50 hours this is probably the deepest view of this peculiar ...

May 16, 2012
5 / 5 (4) 0 | with audio podcast

Spitzer finds galaxy with split personality

(Phys.org) -- While some galaxies are rotund and others are slender disks like our spiral Milky Way, new observations from NASA's Spitzer Space Telescope show that the Sombrero galaxy is both. The galaxy, ...

Apr 25, 2012
4.3 / 5 (3) 11 | with audio podcast