News tagged with early stars

Image: Hubble sweeps a messy star factory

This sprinkle of cosmic glitter is a blue compact dwarf galaxy known as Markarian 209. Galaxies of this type are blue-hued, compact in size, gas-rich, and low in heavy elements. They are often used by astronomers ...

Dec 22, 2014
4.5 / 5 (4) 0

Granny galaxies discovered in the early universe

(Phys.org) —An international team of astronomers have discovered the most distant examples of galaxies that were already mature and massive – not just young, star-forming galaxies in the nursery-room ...

Mar 11, 2014
4.7 / 5 (20) 47

Cosmology in the lab using laser-cooled ions

Scientists would love to know which forces created our universe some 14 billion years ago. How could – due to a breaking of symmetry – matter, and thus stars and galaxies, be created from an originally ...

Aug 12, 2013
4.5 / 5 (6) 0 | with audio podcast

Solar system's youth gives clues to planet search

Comets and meteorites contain clues to our solar system's earliest days. But some of the findings are puzzle pieces that don't seem to fit well together. A new set of theoretical models from Carnegie's Alan Boss shows how ...

Jul 24, 2013
5 / 5 (3) 0 | with audio podcast

Astronomers gain new knowledge about early galaxies

The early galaxies of the universe were very different from today's galaxies. Using new detailed studies carried out with the ESO Very Large Telescope and the Hubble Space Telescope, researchers, including ...

Jul 03, 2013
4.9 / 5 (11) 11 | with audio podcast

A burst of stars 13 billion years ago

(Phys.org) —The universe immediately following the big bang contained mostly hydrogen and some helium. All the other elements needed to make galaxies, planets, and life were formed in stellar interiors ...

Jun 03, 2013
4.2 / 5 (6) 0 | with audio podcast