Moonlets created and destroyed in a ring of Saturn

There is an ongoing drama in the Saturnian ring system that causes small moons to be born and then destroyed on time scales that are but an eyeblink in the history of the solar system. SETI Institute scientists Robert French ...

How can we find tiny particles in exoplanet atmospheres?

It may seem like magic, but astronomers have worked out a scheme that will allow them to detect and measure particles ten times smaller than the width of a human hair, even at many light-years distance.  They can do this ...

Distant asteroid revealed to be a complex mini geological world

After 8 years of observations, scientists from the SETI Institute have found an exotic orbit for the largest Trojan asteroid, (624) Hektor—the only one known to possess a moon. The formation of this system made of a dual ...

Archival Hubble images reveal Neptune's 'lost' inner moon

(Phys.org) —Neptune's tiny, innermost moon, Naiad, has now been seen for the first time since it was discovered by Voyager's cameras in 1989. Dr. Mark Showalter, a senior research scientist at the SETI Institute in Mountain ...

The sombrero galaxy seen from cities

We're happy to share with you an update from our partner Unistellar. The team has recently collected a pair of images of the glorious Sombrero Galaxy (M104 in the Messier Catalog) taken during one of their  most recent ...

The three surprises of 'Oumuamua

One of the defining moments in planetary astronomy in 2017 is that this is the year we discovered the first astronomical object to enter the Solar System from interstellar space. Now known as `Oumuamua (Hawaiian for "scout"), ...

UFO believers got one thing right—here's what they get wrong

The past few weeks have been good for UFO believers. For decades they've clamored for "disclosure"—an admission by the government that it knows of galactic gatecrashers, and that aliens are irrefutably here. This always ...

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