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Astrophysics News

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.
In the Media by Robert Myles

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.
In the Media by Robert Myles - 1 comment

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.
In the Media by Robert Myles

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.
In the Media by Robert Myles - 2 comments

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.
In the Media by Igor I. Solar - 8 comments

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.
In the Media by Paul Wallis - 2 comments

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New research shows that some old stars known as white dwarfs might be held up by their rapid spins  ...
David A. Aguilar (CfA)
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.

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