Related topics: stars

Will Earth survive when the sun becomes a red giant?

Since the beginning of human history, people have understood that the sun is a central part of life as we know it. It's importance to countless mythological and cosmological systems across the globe is a testament to this. ...

Astronomers find first planet from another galaxy (w/ Video)

(PhysOrg.com) -- An exoplanet orbiting a star that entered our Milky Way from another galaxy has been detected by a European team of astronomers using the MPG/ESO 2.2-meter telescope at ESO's La Silla Observatory in Chile. ...

Stellar mystery deepens

Using recent advancements in Australian telescope technology, a Monash University-led research team has made an unexpected discovery that a large group of stars are dying prematurely, challenging our accepted view of stellar ...

Brown dwarfs hiding in plain sight in our solar neighborhood

Cool brown dwarfs are a hot topic in astronomy right now. Smaller than stars and bigger than giant planets, they hold promise for helping us understand both stellar evolution and planet formation. New work from a team including ...

Astronomers observe star reborn in a flash

An international team of astronomers using Hubble have been able to study stellar evolution in real time. Over a period of 30 years dramatic increases in the temperature of the star SAO 244567 have been observed. Now the ...

Discovery poses challenge to galaxy formation theories

A team led by an Indiana University astronomer has found a sample of massive galaxies with properties that suggest that they may have formed relatively recently. This would run counter to the widely-held belief that massive, ...

Betelgeuse braces for a collision

(Phys.org)—Multiple arcs are revealed around Betelgeuse, the nearest red supergiant star to Earth, in this new image from ESA's Herschel space observatory. The star and its arc-shaped shields could collide with an intriguing ...

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