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Tag: stellar evolution

Presumed Young Star Actually 10 Billion Years Older Than Previously Thought

For decades, scientists estimated 49 Lib to be a 'teen' star. However, new research has shown that it is actually 10 billion years older than previously thought, making it more of a senior citizen.

Space January 18, 2017

How black holes can stop stars from forming

Elliptical galaxies rarely produce new stars, and now a group of astronomers may have uncovered the reason using a tested technique in a novel way.

Space October 23, 2014

Dead stars sometimes 're-ignite' to explode as supernovas: Type la supernovae explained

Type 1a supernovae may finally be explained after the discovery of cobalt-56, a rare element, during one of the events.

Space August 30, 2014

Discovery of traces of one of universe's oldest stars excites boffins

A star that lived soon after the formation of matter in the Universe could have formed another neighbor, just outside our own galaxy.

Space August 23, 2014

Zombie star sighting by Hubble excites boffins

Type 1ax supernovas have been seen by the Hubble Space Telescope, revealing these mysterious events for the first time -- but how are they triggered?

Space August 10, 2014

Fermi space telescope spies gamma rays in recurrent symbiotic nova

Gamma rays have been detected from a type of nova in space for the first time, but what produces these energetic waves?

Space August 3, 2014

Cosmic dust origin may be finally explained by supernova SN2010jl

Cosmic dust is essential for the creation of planets, moons and stars, but until now, astronomers did not know its origin. An ancient supernova may provide the answer to that astronomical mystery.

Space July 12, 2014

Space bling: White dwarf star may have crystallized into super-massive diamond

A diamond in space, the size of the Earth, has been discovered 870 light years from Earth, using a system of radio telescopes.

Space June 24, 2014

Hubble spies candy-colored universe, benefits boffins

A newly updated image from the Hubble Space Telescope shows the Universe in one of the most colorful pictures the telescope has ever produced.

Space June 4, 2014

Death of Wolf-Rayet star gives scientists insight to supernova progenitor

The death of one of the most massive stars ever found provides insight into the way these stars die.

Space May 22, 2014

NASA supercomputer simulation shows 2 neutron stars collide and form a black hole, and it's AWESOME

Two neutron stars colliding, forming a black hole is modeled in a new computer simulation. This is the story of this remarkable new video.

Space May 16, 2014

Discovery of hypervelocity star in solar system neighborhood may shed light on dark matter

A rare hypervelocity star has been discovered, and it is the second-brightest ever seen. Here is the story of how these strange objects are formed, and how this one was discovered.

Space May 11, 2014

Sun's long-lost twin finally found...110 light years away: We are not alone?

A stellar "sibling" to our own sun has been identified 110 light years away from Earth, in the constellation of Hercules.

Space May 10, 2014

Massive supernova not so bright after all

An "ordinary" Type 1a supernova was seen, apparently giving off the same amount of energy as 100 billion suns. How did nature dupe astronomers?

Space April 28, 2014

Will you marry me? Cosmic diamond engagement ring stuns scientists

Abell 33, a planetary nebula located 2,500 light years from Earth, is shown as a diamond ring in space.

Space April 10, 2014

Happy 24th birthday, Hubble: Thank you for the baby star factory images

The Hubble Space Telescope is turning 24 years old next month. To celebrate, NASA took some baby star photos.

Space March 18, 2014

Darkest secrets of supernova unraveled by NuSTAR telescope

Supernova explosions can't be triggered in computer models. A new study, looking at the remains of a recent event, shows what triggers these mighty blasts.

Space February 21, 2014

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