Explainer: What are stars?
Twinkle, twinkle, little star, how I wonder what you are.
Space Exploration
Nov 4, 2013
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Page 7 - News tagged with energy star
Astronomers clash over the distance to the famed North Star
(Phys.org)—The North Star (Polaris) has played an important role in human history, yet knowledge of its fundamental parameters is unsatisfactory. That problem is attributable in large part to uncertainties tied to the star's ...
Astronomy
Nov 30, 2012
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Satellite X-ray observations reveal neutron star with donut-shaped magnetic field and axial wobble
When a massive star dies, it can collapse under its own gravity with such force that it produces a supernova, leaving behind an extremely dense remnant consisting almost entirely of neutrons—a neutron star. Some neutron ...
Astronomy
Jul 4, 2014
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Massive protostar keeps growing despite ionization heating by ultraviolet light
A gigantic embryonic star is still getting bigger, even though it propels vast plumes of hot gas away from itself, RIKEN astronomers have found. The discovery could help to solve an enduring mystery about how massive stars ...
Astronomy
Feb 28, 2020
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Green Pea galaxies could help astronomers understand early universe
The rare Green Pea galaxies discovered by the general public in 2007 could help confirm astronomers' understanding of reionization, a pivotal stage in the evolution of the early universe, say University of Michigan researchers.
Astronomy
Apr 3, 2013
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A new refrigerator could save you cool cash
Is your refrigerator eating you out of house and home? Chances are, if it's more than 10 years old, it's gulping enough energy to put a serious hurt on your wallet.
Energy & Green Tech
Mar 30, 2009
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New ultra-faint dwarf galaxy discovered
Astronomers from the University of Arizona (UA) and elsewhere report the discovery of a new ultra-faint dwarf galaxy. The newfound galaxy, designated Tucana B, is the first quenched and isolated object of this type identified ...
Supernova ignition surprises scientists
Scientists have captured the early death throes of supernovae for the first time and found that the universe's benchmark explosions are much more varied than expected.
Astronomy
May 20, 2015
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Gamma-rays with energies of up to 13 teraelectronvolts measured for brightest burst of all time
Astronomers with The LHAASO Collaboration have found that last year's GRB 221009A gamma-ray burst, subsequently nicknamed the Brightest of All Time (BOAT), carried with it 13 teraelectronvolts of energy. In their study, reported ...
Ground system for NASA's Roman Space Telescope completes major review
When it launches in the mid-2020s, NASA's Nancy Grace Roman Space Telescope will create enormous panoramic pictures of space in unprecedented detail. The mission's wide field of view will enable scientists to conduct sweeping ...
Astronomy
Jul 25, 2020
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