Posts by

Paul Scott Anderson

Brown dwarf auroras might cause methane emission

For the 1st time, astronomers have found glowing methane on a brown dwarf. The researchers say that auroras in the brown dwarf's atmosphere may cause it.

Paul Scott Anderson

April 25, 2024

Asteroid hunt by Hubble telescope using AI

Astronomers used the Hubble Space Telescope to go on an asteroid hunt. They found over 1,000 previously unknown small asteroids in the asteroid belt.

Paul Scott Anderson

April 25, 2024

Io’s volcanoes have been erupting for billions of years

A new study reveals Io's volcanoes have been erupting for billions of years, ever since the small moon of Jupiter 1st formed along with our solar system.

Paul Scott Anderson

April 24, 2024

Venus’ atmosphere is leaking gases into space

The BepiColombo spacecraft, headed for Mercury, flew past Venus and found that carbon and oxygen ions are escaping into space from Venus' atmosphere.

Paul Scott Anderson

April 19, 2024

Did this Mars rock once lie along an ancient lakeshore?

NASA's Perseverance rover sampled an unusual Mars rock called Bunsen Peak. It is rich in carbonate and silica and likely came from an ancient lakeshore beach.

Paul Scott Anderson

April 15, 2024

3 young planetary systems revealed by Webb telescope

NASA's Webb space telescope looked for baby planets in the protoplanetary disks in 3 young planetary systems. It didn't find any, and scientists explain why.

Paul Scott Anderson

April 15, 2024

Enceladus hosting cell-sized particles, a hint of life?

A new study of Cassini data has revealed bacteria-sized particles in the plumes of Saturn's ocean moon Enceladus. Could they be evidence of microbial life?

Paul Scott Anderson

April 14, 2024

Rainbow-like glory on an exoplanet is 1st-ever detected

For the 1st time, astronomers say they have detected a glory on an exoplanet. Glories are a natural phenomenon, but until now seen only on Earth and Venus.

Paul Scott Anderson

April 11, 2024

Is Titan’s subsurface ocean habitable?

Saturn's largest moon Titan has an underground ocean of water. But is Titan's subsurface ocean habitable? A new study casts doubt.

Paul Scott Anderson

April 5, 2024

Giant planets orbiting white dwarfs: 1st images?

Astronomers using NASA's Webb telescope have discovered and imaged two possible giant planets orbiting white dwarfs less than 75 light-years away.

Paul Scott Anderson

April 4, 2024

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Paul Scott Anderson

Paul Scott Anderson has had a passion for space exploration that began when he was a child when he watched Carl Sagan’s Cosmos. While in school he was known for his passion for space exploration and astronomy. He started his blog The Meridiani Journal in 2005, which was a chronicle of planetary exploration. In 2015, the blog was renamed as Planetaria. While interested in all aspects of space exploration, his primary passion is planetary science. In 2011, he started writing about space on a freelance basis, and now currently writes for AmericaSpace and Futurism (part of Vocal). He has also written for Universe Today and SpaceFlight Insider, and has also been published in The Mars Quarterly and has done supplementary writing for the well-known iOS app Exoplanet for iPhone and iPad.