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Not only is COCONUTS-2b (named for the COol Companions ON Ultrawide orbiTS survey) the closest directly imaged exoplanet to Earth to date – at a distance of just 35 light-years – it's a rarity among exoplanet discoveries: a relatively cool, massive gas giant, orbiting its star at a great distance.
"With a massive planet on a super-wide-separation orbit, and with a very cool central star, COCONUTS-2 represents a very different planetary system than our own Solar System," said astronomer Zhoujian Zhang of the University of Hawaiʻi Institute for Astronomy.
What made it visible is that, although it's cool for a gas giant exoplanet, it's still pretty warm, with a temperature of around 434 Kelvin (161 degrees Celsius, or 322 degrees Fahrenheit), in spite of its distance from the warmth of the star.
COCONUTS-2b is still quite young, up to only around 800 million years; its warm temperature is residual heat from the exoplanet's formation, trapped inside the massive exoplanet, six times the mass of Jupiter. This heat means that the exoplanet faintly glows in infrared wavelengths – enough to be discernible in direct images.
Its huge orbital distance will have other benefits for future research, too. It may be able to help us better understand how gas giants form, a process that we still don't understand very well – and taking a closer look at it will help us better understand gas giant diversity.
www.sciencealert.com...
(named for the COol Companions ON Ultrawide orbiTS survey)
COol Companions ON Ultrawide orbiTS survey
originally posted by: Nyiah
COol Companions ON Ultrawide orbiTS survey
Coconuts is the best they could come up with here? I'd have just gone with COol Companions On ULTtrawide OrbITS myself on this one.
Edit: And yes, I gave that thought. I picked the more juvenile joke because funny.
originally posted by: IAMTAT
originally posted by: Nyiah
COol Companions ON Ultrawide orbiTS survey
Coconuts is the best they could come up with here? I'd have just gone with COol Companions On ULTtrawide OrbITS myself on this one.
Edit: And yes, I gave that thought. I picked the more juvenile joke because funny.
COOLTITS might be worth ending a probe to.
originally posted by: CrazeeWorld777
originally posted by: IAMTAT
originally posted by: Nyiah
COol Companions ON Ultrawide orbiTS survey
Coconuts is the best they could come up with here? I'd have just gone with COol Companions On ULTtrawide OrbITS myself on this one.
Edit: And yes, I gave that thought. I picked the more juvenile joke because funny.
COOLTITS might be worth ending a probe to.
I was going to do that one.