International Astronomical Union

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Tag: Bad Astronomy
Tag: Planets

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Tag: Science
Tag: Bad Astronomy
Tag: asteroids
New observations show the asteroid Hygiea is round!
Phil Plait
Oct 28, 2019
An actual image of the protoplanet Hygiea, taken using the SPHERE camera on the Very Large Telescope. Credit: ESO/P. Vernazza et al./MISTRAL algorithm (ONERA/CNRS)
Tag: Science
Tag: Bad Astronomy
Tag: asteroids
Tag: Science
Tag: Bad Astronomy
Tag: Planets
How do you know which pole of a planet is the *north* pole?
Phil Plait
Jul 18, 2019
Defining which rotation pole is north and which is south on a planet isn't as obvious as you think.
Tag: Science
Tag: Bad Astronomy
Tag: Planets
Tag: Science
Tag: Bad Astronomy
Tag: jupiter
Contest: Pick names for Jupiter's new moons!
Phil Plait
Mar 21, 2019
Orbits of twelve new moons found for Jupiter (not to scale). Some orbit the same way Jupiter spins (blue), and others the opposite way (red). Credit: Carnegie Institution for Science / Roberto Molar Candanosa
Tag: Science
Tag: Bad Astronomy
Tag: jupiter
Tag: Science
Tag: Bad Astronomy
Tag: Pluto
Pluto's posse
Phil Plait
Sep 19, 2017
Pluto and Charon, to scale in size and brightness. Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute
Tag: Science
Tag: Bad Astronomy
Tag: Pluto
Tag: space
Tag: Planets
This could end badly: Astronomers to use online voting to choose new planet names
Trent Moore
Jul 9, 2014
Space_Space_planets_027475_.jpg
Tag: space
Tag: Planets