您现在的位置是:熱點 >>正文
【】
熱點786人已围观
简介Eleven light-years away, an Earth-sized world orbits a cool, red star, and it may be just right for ...
Eleven light-years away, an Earth-sized world orbits a cool, red star, and it may be just right for life.
The planet, known as Ross 128b, completes an orbit of its star, Ross 128, about once every 10 days, according to new research published in the journal Astronomy & Astrophysics.
While a 10-day orbit might bake a world around a sun-like star, Ross 128 isn't at all like the sun.
SEE ALSO:Seven Earth-sized planets orbit an alien star only 40 light-years awayThe relatively nearby red dwarf star is small and cool, so Ross 128b's 10-day orbit could actually make it ideal for life to develop.
On top of that, Ross 128 is thought to be a pretty quiet star, meaning that it doesn't shoot off powerful atmosphere-stripping flares very often, making Ross 128b an even better prospect for life.
That said, it's still not exactly clear if Ross 128b is habitable.
"While the scientists involved in this discovery consider Ross 128b to be a temperate planet, uncertainty remains as to whether the planet lies inside, outside, or on the cusp of the habitable zone, where liquid water may exist on a planet’s surface," the European Southern Observatory (ESO) said in a statement announcing the discovery.
Ross 128's quiet nature makes it special.
This image shows the sky around the red dwarf star Ross 128 in the constellation of Virgo (The Virgin).Credit: Digitized Sky Survey 2. AcknowleProxima Centauri, which is also a red dwarf 4 light-years from Earth that plays host to its own Earth-sized world, might be a bit too active to allow life to develop nearby over the course of billions of years. But it seems that Ross 128 may not have that problem.
Plus, astronomers of the future may have the chance to study Ross 128 and its possibly habitable planet from very close range.
Right now, the star is speeding toward Earth's part of space. According to the ESO, in about 79,000 years, the object will become the second-closest star from Earth (after the sun), moving closer than Proxima Centauri.
This artist’s impression shows the temperate planet Ross 128b, with its red dwarf parent star in the background.Credit: ESO/M. KornmesserDuring the coming decades, scientists hope to use powerful tools to peer deeply into the atmospheres of planets outside our solar system in order to see exactly which worlds may or may not be habitable.
The ESO's Extremely Large Telescope, for example, will be able to look for chemicals in the atmosphere of other planets that could be indicators of life, according to the organization, and NASA's James Webb Space Telescope, slated for launch in 2019, will also have the ability to parse out the compositions of alien atmospheres.
Featured Video For You
The Earth is surrounded by human-made bubble
Tags:
转载:欢迎各位朋友分享到网络,但转载请说明文章出处“夫榮妻貴網”。http://new.maomao321.com/news/85c54799367.html
相关文章
MashReads Podcast: What makes a good summer read?
熱點Summer is coming to a close and that means one thing -- last-minute vacations!。SEE ALSO:'Ice Cream B ...
【熱點】
阅读更多Johnny Depp will no longer play Grindelwald in 'Fantastic Beasts'
熱點Johnny Depp announced on Instagram that he will no longer play Gellert Grindelwald in the Harry Pott ...
【熱點】
阅读更多Watch a NASA spacecraft approach and touch down on asteroid Bennu
熱點Touchdown.Earlier in October, NASA successfully collected rocky samples from asteroid Bennu, a relat ...
【熱點】
阅读更多
热门文章
- Tesla's rumored P100D could make Ludicrous mode even more Ludicrous
- Here are all the major 5G data plans to go with your new iPhone 12
- Let's talk about that deliciously dramatic 'Bridgerton' finale
- The gay community is beautifully reclaiming #ProudBoys
- This company is hiring someone just to drink all day
- How an airborne NASA mission took flight, amid the pandemic
最新文章
Mall builds real
Here's what Twitter plans to do about election result misinformation
Amazon delivers a killing blow to the pro
Meet Vic Barrett, who's suing the U.S. government over climate change
Cat gets stuck in the most awkward position ever
Apple's been sued to remove Telegram from App Store over anti