News tagged with elemental composition

A cluster with a secret

(—A new image from ESO's La Silla Observatory in Chile shows the spectacular globular star cluster Messier 4. This ball of tens of thousands of ancient stars is one of the closest and most studied of the globular ...

dateSep 05, 2012 in Astronomy
shares0 comments 21

How old are the first planets?

To build a planet you need lots of rubble and that means lots of heavy elements – stuff more massive than atoms of hydrogen and helium. The elemental composition of the collapsing nebula that gave birth to the Sun and the ...

dateAug 31, 2012 in Astronomy
shares0 comments 10

Dawn gets extra time to explore Vesta

( -- NASA's Dawn mission has received official confirmation that 40 extra days have been added to its exploration of the giant asteroid Vesta, the second most massive object in the main asteroid belt. The mission ...

dateApr 19, 2012 in Space Exploration
shares0 comments 6

Glass sponge as a living climate archive

( -- Climate scientists have discovered a new archive of historical sea temperatures. With the help of the skeleton of a sponge that belongs to the Monorhaphis chuni species and that lived in the East China Sea ...

dateApr 05, 2012 in Earth Sciences
shares0 comments 2