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Posts by
Paul Scott Anderson
Teegarden’s Star has Earth-sized planets in habitable zone
The Earth-sized exoplanets orbiting Teegarden's Star are 2 of the closest yet found, and at least 1 of them may be potentially habitable.
July 2, 2019
When asteroids photobomb galaxies
Want to spend your days looking at awesome photos of distant galaxy clusters, and possibly discovering an asteroid? Check out this new citizen-science project called Hubble Asteroid Hunter.
June 29, 2019
How meteors create Mars’ clouds
Scientists have been trying to figure out how clouds form in Mars' thin atmosphere, and thanks to new research, the answer seems to be ... meteors.
June 28, 2019
Table salt compound spotted on Jupiter’s moon Europa
Europa has an ocean, hidden beneath its icy crust. The discovery of sodium chloride - aka table salt - on the moon's surface might be strong evidence that Europa's ocean is very similar to Earth's.
June 24, 2019
Do toxic gases make advanced extraterrestrial life less likely?
A new study suggests that many exoplanets - worlds orbiting distant stars - might have an overabundance of toxic gases in their atmospheres. If so, that would make the evolution of complex life forms more difficult.
June 23, 2019
What is the mystery mass on the moon?
Scientists have discovered a massive subsurface deposit of dense material - probably metal - beneath the largest crater on the moon. Did it result from a huge asteroid impact or a former lunar ocean of molten rock?
June 19, 2019
What causes flashes on the moon?
People have reported seeing Transient Lunar Phenomena - unusual flashes and other lights on the moon - for at least 1,000 years. Yet they're still mysterious. Now a scientist in Germany is using a new telescope to try to solve the mystery.
June 16, 2019
Has the ball lightning mystery been solved?
What is ball lightning? Scientists have been trying to figure that out for hundreds of years, and now it seems they may finally be close to solving one of Earth's most intriguing natural mysteries.
June 14, 2019
Will evidence for life on Mars look like fettuccine pasta?
The search for life on Mars usually involves looking for past or present microbes, invisible to the eye. Scientists at University of Illinois suggest searching instead for a type of rock formation known on Earth to be created by microbes.
June 11, 2019
Is Jupiter’s Great Red Spot disintegrating?
Jupiter's Great Red Spot is a giant storm, the largest known in our solar system. It's been seen through earthly telescopes for more than 300 years. Lately, it's been showing signs of breaking apart. Is this the beginning of the end for the beloved Spot?
June 10, 2019
