News tagged with big bang

Little galaxies are big on dark matter

Dark matter... It came into existence at the moment of the Big Bang. Within its confines, galaxies formed and evolved. If you add up all the parts contained within any given galaxy you derive its mass, yet ...

dateDec 30, 2011 in Astronomy
shares0 comments 24

The earliest stars in the Universe

(PhysOrg.com) -- Matter in the universe after the big bang consisted almost entirely of hydrogen and helium atoms. Only later, after undergoing fusion reactions in the nuclear furnaces of stars, did these ...

dateDec 19, 2011 in Astronomy
shares0 comments 15

Mysterious red galaxies

(PhysOrg.com) -- Perhaps the most astonishing and revolutionary discovery in cosmology was Edwin Hubble's observation that galaxies are moving away from us with velocities that are proportional to their distances. ...

dateDec 12, 2011 in Astronomy
shares0 comments 36

Ancient white dwarf stars

(PhysOrg.com) -- Pushing the limits of its powerful vision, NASA's Hubble Space Telescope uncovered the oldest burned-out stars in our Milky Way Galaxy in this image from 2002. These extremely old, dim "clockwork ...

dateNov 03, 2011 in Astronomy
shares0 comments 2

Stories of missions past: Early explorers

(PhysOrg.com) -- On September 29, 2011, NASA announced the short list for five potential new "Explorer class" spacecraft. These missions are by definition small and relatively inexpensive, designed to be led ...

dateOct 27, 2011 in Space Exploration
shares0 comments 1

Abuse from other universes -- a second opinion

At the end of last year, there was a flurry of activity from astronomers Gurzadyan and Penrose that considered the evidence of alternate universes or the existence of a universe prior to the Big Bang and suggested ...

dateOct 10, 2011 in Astronomy
shares0 comments 2

'Dark energy' targeted in European space mission

So-called dark energy, believed to play a role in the accelerated expansion of the Universe, will be studied in a major science mission to be launched later this decade, the European Space Agency (ESA) said ...

dateOct 04, 2011 in Astronomy
shares0 comments 35