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pluto-is-the-most-famous-demoted-planet-but-its-not-the-first https://www.astronomy.com/tags/news/page/140/ News | Page 140 of 727 | Astronomy.com Browse all the latest astronomy and space news on planets, stars, galaxies, cosmology, observing events, space missions, and more. https://www.astronomy.com/uploads/2021/09/Kepler90planets.jpg InStock USD 1.00 1.00 exoplanets planets-observing solar-system article ASY 2023-05-18 2019-12-16 45291
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News

Browse all the latest astronomy and space news on planets, stars, galaxies, cosmology, observing events, space missions, and more.

Exoplanets, Planets, Solar System

Pluto is the most famous demoted planet, but it’s not the first

Observing

The Sky This Week from December 13 to 22

Robotic Spaceflight, Solar System, Space Exploration

NASA solar probe confirms asteroid source of Geminids meteor shower

Deep-Sky Objects

What the interstellar medium tells us about the early universe

Exoplanets, Planets, Robotic Spaceflight, Solar System, Space Exploration

NASA’s Juno probe just discovered a Texas-sized cyclone on Jupiter

Cosmology, Galaxies

Astronomers find 19 more galaxies missing their dark matter

Exotic Objects, Stars

Astronomers map a neutron star’s surface for the first time

Solar System

Watch the Geminids meteor shower this Friday

Exotic Objects, Milky Way

The Milky Way may have two supermassive black holes

Human Spaceflight

Blue Origin has now flown – and landed — the same rocket six times

Solar System

See interstellar comet Borisov on its way toward the Sun

Exoplanets, Planets, Solar System

Jupiter’s Galilean moons likely formed bit by bit from pebbles

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