News tagged with stars

Millisecond pulsars

When a star with a mass of roughly ten solar masses finishes its life, it explodes as a supernova, leaving behind a neutron star as remnant "ash." Neutron stars have masses of one-to-several suns but they are tiny in diameter, ...

dateOct 03, 2016 in Astronomy
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ESO's dustbuster reveals hidden stars

In this new image of the nebula Messier 78, young stars cast a bluish pall over their surroundings, while red fledgling stars peer out from their cocoons of cosmic dust. To our eyes, most of these stars would be hidden behind ...

dateOct 03, 2016 in Astronomy
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What happens when galaxies collide?

We don't want to scare you, but our own Milky Way is on a collision course with Andromeda, the closest spiral galaxy to our own. At some point during the next few billion years, our galaxy and Andromeda – which also happen ...

dateOct 03, 2016 in Astronomy
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Discovery of an extragalactic hot molecular core

Astronomers have discovered a 'hot molecular core', a cocoon of molecules surrounding a newborn massive star, for the first time outside our Galaxy. The discovery, which marks the first important step for observational studies ...

dateSep 29, 2016 in Astronomy
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The ultraviolet diversity of supernovae

Supernovae, the explosive deaths of massive stars, are among the most momentous events in the cosmos because they disburse into space all of the chemical elements that were produced inside their progenitor stars, including ...

dateSep 28, 2016 in Astronomy
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Precision measurements of exoplanet velocities

The search for exoplanets via the radial velocity technique has been underway for nearly thirty years, measuring the wobbles in a star's motion caused by the presence of orbiting bodies. The method has been very successful ...

dateSep 28, 2016 in Astronomy
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