Hacker News with Generative AI: Exoplanets

JWST reveals exoplanet composition with unprecedented clarity (chemistryworld.com)
Exoplanets orbiting a star 133 light years away contain a far greater abundance of carbon than the star itself, according to the first direct spectral data of this kind captured by the James Webb Space Telescope (JWST).

Astronomy, Exoplanets, Spectroscopy

7 points by Brajeshwar 6 days ago | 0 comments

The solar system is teeming with 1M 'alien invaders' from Alpha Centauri (space.com)

Space, Astronomy, Exoplanets, Alien Life

6 points by Brajeshwar 28 days ago | 1 comments

Extreme supersonic winds measured on a planet outside our solar system (phys.org)
Astronomers have discovered extremely powerful winds pummeling the equator of WASP-127b, a giant exoplanet.

Space, Exoplanets, Astronomy, Planetary Science

85 points by PaulHoule 47 days ago | 58 comments

IAC confirms existence of a Super-earth in the habitable zone of a Sun-like Star (iac.es)
The Instituto de Astrofísica de Canarias (IAC) and the Universidad de La Laguna (ULL) has confirmed the discovery of a super-Earth orbiting in the habitable zone of HD 20794, a nearby Sun-like star.

Astronomy, Exoplanets, Habitable Zones

421 points by ohjeez 65 days ago | 281 comments

Wasp-127B: Scientists discover giant planet with super fast winds (bbc.co.uk)
Scientists have discovered a huge planet with supersonic high wind speeds.

Space, Astronomy, Exoplanets, Planets, Wind

8 points by ZeljkoS 70 days ago | 5 comments

Recalibrating 'Hot Jupiter' Migration (centauri-dreams.org)
What catches your eye in this description of an exoplanetary system? Start with a ‘hot Jupiter,’ with a radius 0.87 times that of our Jupiter and an orbit of 7.1 days. This is WASP-132b, confirmed in 2016, and first discovered through the labors of the Wide-Angle Search for Planets program.

Exoplanets, Astronomy, Space Exploration, Hot Jupiters

5 points by JPLeRouzic 77 days ago | 0 comments

Life Without Stars: Stanets and Ploons (theeggandtherock.com)
Last year, the James Webb Space Telescope made a startling new discovery about how, and where, planets can form.

Astronomy, Space Exploration, Scientific Discoveries, Exoplanets

3 points by davezatch 89 days ago | 0 comments

Science Talk – What Are Pulsar Planets? (2022) (spaceaustralia.com)
2022 marks the 30-year anniversary since the discovery of the first exoplanets, which happened to be orbiting a pulsar - one of the most unusual places we could find any planet. But what is a pulsar planet, and how did they get there?

Astronomy, Exoplanets, Pulsars

4 points by raattgift 136 days ago | 1 comments

Are nearby planets sending radio signals to each other? (science.psu.edu)
A new technique allows astronomers to home in on planets beyond our solar system that are in line with each other and with Earth to search for radio signals similar, for example, to ones used to communicate with the rovers on Mars.

Astronomy, Space Exploration, Exoplanets, Radio Signals

17 points by geox 163 days ago | 0 comments

Alien worlds might not have a night and day. How would that change evolution? (bbc.com)
Distinct days and nights have helped life flourish on Earth. But many alien worlds capable of supporting life may not have such clear delineations.

Astronomy, Biology, Evolution, Exoplanets

6 points by ranit 172 days ago | 0 comments

Exoplanet found around our closest lone star (cosmosmagazine.com)
An exoplanet has been discovered orbiting the nearest single star to Earth (apart from the Sun), only 6 light-years away.

Exoplanets, Astronomy, Space Exploration

15 points by geox 178 days ago | 0 comments

JWST Has Spotted Six Rogue Planets, Without a Star to Call Home (sciencealert.com)

Space, Astronomy, Planets, Exoplanets

30 points by Brajeshwar 217 days ago | 6 comments

James Webb detects rare 'super-Jupiter' planet (usatoday.com)

Space Exploration, Astronomy, Exoplanets

6 points by gmays 249 days ago | 0 comments

Webb directly images giant exoplanet that isn't where it should be (arstechnica.com)

Space Exploration, Astronomy, Exoplanets, Astrophysics

6 points by LinuxBender 252 days ago | 0 comments

Mini-Neptune turned out to be a frozen super-Earth (arstechnica.com)