TRAPPIST-1 is older than our solar system

If we want to know more about whether life could survive on a planet outside our solar system, it's important to know the age of its star. Young stars have frequent releases of high-energy radiation called flares that can zap their planets' surfaces. If the planets are newly formed, their orbits may also be unstable. On the other hand, planets orbiting older stars have survived the spate of youthful flares, but have also been exposed to the ravages of stellar radiation for a longer period of time.

TRAPPIST-1 is older than our solar system

If we want to know more about whether life could survive on a planet outside our solar system, it's important to know the age of its star. Young stars have frequent releases of high-energy radiation ...

Mon 14 Aug 17 from Phys.org

TRAPPIST-1 is Older Than Our Solar System, Sun 13 Aug 17 from Astrobiology Magazine

TRAPPIST-1 Planets May Be Twice As Old As Earth

Life has had a long time to potentially get a foothold on the rocky planets circling the tiny, dim star TRAPPIST-1, a new study suggests.

Thu 17 Aug 17 from SPACE.com

TRAPPIST-1, the dwarf star with seven Earth-sized planets, is older than our solar system

This could be both good and bad for potential extraterrestrial life.

Tue 15 Aug 17 from ZME Science

The TRAPPIST-1 star system may be too old for life

We hate to further quash hopes that the TRAPPIST-1 star system can harbor life, but... it's not looking great. Researchers have determined that the dwarf star is between 5.4 billion ...

Mon 14 Aug 17 from Engadget

Trappist-1 could be 9.8 BILLION years old, study finds

A study led by researchers from NASA and the University of California, San Diego found that the star at the heart of Trappist-1 is between 5.4 and 9.8 billion years old, far older than our ...

Fri 11 Aug 17 from Daily Mail

TRAPPIST-1 twice as old as our solar system

Astronomers have narrowed in on a more precise estimate of the TRAPPIST-1 system. Scientists believe the system is between 5.4 and 9.8 billion years old.

Fri 11 Aug 17 from UPI

TRAPPIST-1 twice as old as our solar system, Fri 11 Aug 17 from SpaceDaily

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