Chemical traces from star formation cast light on cosmic history
Fresh insight into how stars are formed is challenging scientists' understanding of the Universe.
Astronomy
Jun 4, 2018
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News tagged with cosmic history
First stars formed even later than previously thought
ESA's Planck satellite has revealed that the first stars in the Universe started forming later than previous observations of the Cosmic Microwave Background indicated. This new analysis also shows that these stars were the ...
Astronomy
Aug 31, 2016
35
1468
Theorists propose a new method to probe the beginning of the universe
How did the universe begin? And what came before the Big Bang? Cosmologists have asked these questions ever since discovering that our universe is expanding. The answers aren't easy to determine. The beginning of the cosmos ...
Astronomy
Jan 25, 2016
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3590
POLARBEAR detects curls in the universe's oldest light
(Phys.org) —Cosmologists have made the most sensitive and precise measurements yet of the polarization of the cosmic microwave background.
Astronomy
Oct 21, 2014
24
0
Suzaku study points to early cosmic 'seeding'
(Phys.org) —Most of the universe's heavy elements, including the iron central to life itself, formed early in cosmic history and spread throughout the universe, according to a new study of the Perseus Galaxy Cluster using ...
Astronomy
Oct 31, 2013
1
0
Astrophysicists spy ultra-distant galaxy amidst cosmic 'dark ages'
With the combined power of NASA's Spitzer and Hubble space telescopes as well as a cosmic magnification effect, a team of astronomers led by Wei Zheng of The Johns Hopkins University has spotted what could be the most distant ...
Astronomy
Sep 19, 2012
117
0
First galaxies were born much earlier than expected (w/ video)
(PhysOrg.com) -- Using the amplifying power of a cosmic gravitational lens, astronomers have discovered a distant galaxy whose stars were born unexpectedly early in cosmic history. This result sheds new light on the formation ...
Astronomy
Apr 12, 2011
25
1
Preparing to study the epoch of reionization
The epoch when the very first stars appeared is a key period of cosmic history. These stars began the manufacture of the chemical elements (those heavier than hydrogen and helium) and their light began the reionization of ...
Astronomy
Oct 10, 2016
5
40
Universe becoming cleaner as cosmic dust gets mopped up by stars, astronomers reveal
An international team of astronomers today (29 June) released a gazetteer of the hidden universe, which reveals the unseen sources of energy found over the last 12 billion years of cosmic history. Professor Haley Gomez of ...
Astronomy
Jun 29, 2016
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1083
Dying star offers glimpse of our sun's future
This is a final act of celestial beauty before the long fade into cosmic history. Invisibly buried in the centre of this colourful swirl of gas is a dying star, roughly the same mass as the sun.
Astronomy
Mar 8, 2016
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