Hacker News with Generative AI: Planetary Science

Jupiter was formerly twice its current size, had a much stronger magnetic field (phys.org)
Understanding Jupiter's early evolution helps illuminate the broader story of how our solar system developed its distinct structure.

Jupiter, Solar System, Astrophysics, Astronomy, Planetary Science

128 points by pseudolus 17 days ago | 75 comments

NASA study reveals Venus crust surprise (nasa.gov)
New details about the crust on Venus include some surprises about the geology of Earth’s hotter twin, according to new NASA-funded research that describes movements of the planet's crust.

Venus, Geology, Space Exploration, Planetary Science

105 points by mnem 29 days ago | 103 comments

'Orwellian': planetary scientists outraged over deletion of research records (nature.com)

Science, Research, Censorship, Planetary Science

19 points by rntn 29 days ago | 2 comments

Juno reveals Io's inner structure and volcanic activity; investigates cyclones (nasaspaceflight.com)
New data from NASA’s Juno mission, which has been orbiting Jupiter since 2016, has provided scientists with insight into the extreme winds and cyclones present within the gas giant’s atmosphere.

Space Exploration, Jupiter, Astronomy, Planetary Science, Volcanoes

7 points by LorenDB 37 days ago | 0 comments

North American Aviation's 1965 Plan for Piloted Planetary Flybys in the 1970s (blogspot.com)
A flyby is the simplest planetary exploration mission.

Space Exploration, History, Aviation, Planetary Science

18 points by sebg 44 days ago | 0 comments

Every picture from Venus' surface, ever (2021) (planetary.org)
Only four spacecraft have ever returned images from Venus’ surface. The world next door doesn’t make it easy, with searing heat and crushing pressure that quickly destroy any lander.

Space Exploration, Venus, Planetary Science

99 points by austinallegro 59 days ago | 11 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 113 days ago | 58 comments

Mercury's shadowy North Pole revealed by M-CAM 1 (esa.int)

Space Exploration, Astronomy, Solar System, Planetary Science, Mercury

81 points by divbzero 148 days ago | 15 comments

The anomalous state of Uranus's magnetosphere during the Voyager 2 flyby (nature.com)
The Voyager 2 flyby of Uranus in 1986 revealed an unusually oblique and off-centred magnetic field.

Space Exploration, Uranus, Magnetism, Planetary Science, Voyager 2

53 points by Hooke 207 days ago | 9 comments

NASA's Europa Clipper Launch (youtube.com)

NASA, Space Exploration, Planetary Science, Missions

218 points by belter 236 days ago | 113 comments

Discussing the Neptunian desert, savanna, and ridge (mathstodon.xyz)

Astronomy, Planetary Science, Neptune

31 points by ColinWright 247 days ago | 7 comments

Asteroid Ceres was an ocean world that slowly formed into a giant, murky icy orb (phys.org)
Since the first sighting of the first-discovered and largest asteroid in our solar system was made in 1801 by Giuseppe Piazzi, astronomers and planetary scientists have pondered the make-up of this asteroid/dwarf planet.

Space Exploration, Astronomy, Planetary Science

13 points by Brajeshwar 252 days ago | 0 comments

Dwarf planet Ceres: Origin in the asteroid belt? (mpg.de)
Bright yellow deposits in Consus Crater bear witness to dwarf planet Ceres' cryovolcanic past - and revive the debate about its place of origin.

Space, Asteroids, Dwarf Planets, Geology, Planetary Science

5 points by sharpshadow 263 days ago | 0 comments

Modeling study proposes a diamond layer at the core-mantle boundary on Mercury (phys.org)

Mercury, Geology, Planetary Science, Modeling, Core-Mantle Boundary

51 points by PaulHoule 323 days ago | 21 comments

Earth's inner core rotation has begun moving backwards (earth.com)

Earth Science, Geology, Planetary Science

3 points by onnnon 333 days ago | 1 comments

Earth's core has slowed so much it's moving backward (cnn.com)

Earth Science, Geology, Planetary Science

6 points by elijahparker 337 days ago | 3 comments

Mapping the Red Planet with the Power of Open Science (nasa.gov)