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Astrophysics News

Astronomy: Radio waves key to tracking down elusive exomoons

Arlington - Hardly a week passes these days without scientists and astronomers reporting on the discovery of a new exoplanet — a planet outwith our solar system.

Scientific discovery changes how we view the moon

Most of our readers probably think of the moon as a circle, or perhaps as a "big pizza pie" as one song puts it. Researchers have now found that it is actually shaped like a lemon.

Nearby planet has atmosphere very similar to Earth

A new planet may be our best evidence yet that habitable worlds exist near Earth. New findings show that a "super-Earth" may be our ticket to the colonization of this galaxy.

Scientists may have found first TZO

Polish Astrophysicist Anna Zytkow believes she may have found the first evidence of a theoretical star type, the Thorne-Zytkow object (TZO).

Astronomers solve decades old celestial archaeology mystery

Leicester - New research from an international team of astronomers from the UK's University of Leicester and the University of Arizona sheds light on how stars reaching the end of their useful life and collapsing in on themselves become polluted.

ESA's Planck Space Telescope takes final look back in time

Darmstadt - The European Space Agency (ESA) switched off its Planck space telescope for good at 12:10:27 UT, Thursday. Planck spent over four years peering back in time, studying background radiation from the Big Bang that gave birth to our Universe.

Former water world discovered in deep space

Warwick - Astrophysicists from the universities of Warwick and Cambridge in the UK have found evidence of what was once a water-rich rocky planet outside our solar system, by analysing the atmosphere of white dwarf star GD 61.

Lost in Space: Orphaned planet may help explain planet formation

Using the European Southern Observatory (ESO) Very Large Telescope and the Canada-France-Hawaii Telescope, astronomers have discovered an orphaned planet meandering through space without a parent star or solar system.

Viral Video: Astrophysicist deGrasse Tyson's most amazing fact

When a Time magazine reader asked astrophysicist Neil deGrasse Tyson to share "the most astounding fact about the Universe," he answered in a video. The vividly illustrated presentation has gone viral, receiving hundreds of thousands of hits.

ESA's ATVs named to tell space science history while stocking ISS

The European Space Agency announced its fifth Automated Transfer Vehicle has been named Georges Lemaître, after the Belgian scientist who provided the first observational estimation of the Hubble constant, which was later called the Big Bang theory.

Stephen Hawking: Mankind must leave Earth or face extinction

British theoretical physicist Stephen Hawking is warning that if humans are unable to locate another suitable planet to inhabit, they will face extinction.

Astronomers explain how 'blue straggler' stars rejuvenate

Blue stragglers are stars that renew in old age and glow on, instead of dwindling and dying. Two University of Wisconsin-Madison astronomers report that they have figured out how.

Astronomers capture close-ups of a sun-like star dying

A dying star named Chi Cygni, about 550 light-years away, is flashing close-up, infrared glimpses of what our sun's future death throes will look like to observers at a safe distance.

Op-Ed: Dark Matter an idea in need of a definition and some decent logic

Dark matter is defined by NASA as “Name given to the amount of mass whose existence is deduced from the analysis of galaxy rotation curves but which until now, has escaped all detections.” That’s about as accurate as its definitions get.
 

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Artist s impression of possible wandering exoplanet designated CFBDSIR2149
Artist's impression of possible wandering exoplanet designated CFBDSIR2149
European Southern Observatory
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New research shows that some old stars known as white dwarfs might be held up by their rapid spins  ...
New research shows that some old stars known as white dwarfs might be held up by their rapid spins, and when they slow down, they explode as Type Ia supernovae. Thousands of these "time bombs" could be scattered throughout our Galaxy. In this artist's conception, a supernova explosion is about to obliterate an orbiting Saturn-like planet.
David A. Aguilar (CfA)
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Artist s impression of a rocky and water-rich asteroid being torn apart by the strong gravity of the...
Artist's impression of a rocky and water-rich asteroid being torn apart by the strong gravity of the white dwarf star GD 61. Similar objects in the Solar System likely delivered the bulk of water on Earth
Mark A. Garlick
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Artist s impression of the ESA s Euclid space telescope scheduled for a 2020 launch
Artist's impression of the ESA's Euclid space telescope scheduled for a 2020 launch
European Space Agency - ESA Press
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