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Astronomers discover hot exoplanet with lava hemisphere

An Earth-sized orbits a star similar to our sun, but much, much closer - meaning it has surface temperatures of nearly 2,300 degrees Fahrenheit.

Ames jpl caltecht pyleExoplanet survey satelliteTransiting exoplanet survey satelliteAstronomical objectsBodies of the solar systemMethods of detecting exoplanetsOuter spacePhysical sciencesPlanetary scienceSolar systemSpace scienceStellar astronomySubstellar objectsTerrestrial planet

See the dramatic, volcanic moon Io in new Juno images

NASA's Juno spacecraft recently made a close flyby of the solar system's most volcanic body, the Jovian moon of Io.

Kevinm gillTed strykJpl caltech swPropulsion laboratoryAstronomical objectsAstronomical objects known since antiquityBodies of the solar systemDiscovery and exploration of the solar systemGas giantsRio moonJuno spacecraftOuter planetsOuter spacePhysical sciencesPlanetary sciencePlanets of the solar system

Hubble captures a busy frame of overlapping spiral galaxies

This week's image from the Hubble Space Telescope shows a host of galaxies all overlapping each other in a complex swirl.

Dark energy survey doe fnal noirlabHubble space telescopeGreat barred spiral galaxySpace telescopeDark energyAstronomical objectsCelestial mechanicsExtragalactic astronomyMilky wayOuter spacePhysical cosmologyPhysical sciencesSpace scienceSpiral galaxy

Neptune isn t really dark blue, new study demonstrates

Most people think of Uranus and Neptune as pale greenish blue and royal blue. But a new study shows the two planets are actually a very similar color.

Patrick irwinMonthly notices of the royal astronomical societyUniversity of oxfordVery large telescopeMonthly noticesRoyal astronomicalAstronomical objectsBodies of the solar systemOuter spacePhysical sciencesPlanetary sciencePlanets of the solar systemSolar systemSpace scienceVoyager 2Voyager program

See the weather patterns on a wild, super hot exoplanet

Planet WASP-121 b has a surface temperature of 5,000 degrees Fahrenheit, which researchers predict would lead to some wild weather phenomena.

Quentin changeatSpace telescope science instituteHubble space telescopeAstrophysical journal supplementAstronomical objectsOuter spacePhysical sciencesPlanetary scienceSpace scienceStellar astronomySubstellar objects

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