Tag Archives: asteroids and comets

Kamoʻoalewa: Breakaway Asteroid and Quasi-Moon 0 (0)

The asteroid 469219 Kamoʻoalewa isn’t exactly Earth’s second moon. But it’s been circling our world for centuries: and near Earth’s orbit for much longer. Now scientists say they’ve traced the asteroid back to Giordano Bruno crater on the Moon. I’ll … Continue reading

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Sednoids, Rewinding the Solar System in a Simulation  0 (0)

Sedna and Sednoids aren’t this month’s only science news. But I saw two exciting, for me, developments; and that’s what I started talking about last week. This week I’ll wrap up most of what I was going to say about … Continue reading

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Sednoids and the Mysterious Missing Planet X 0 (0)

As I’ve said before, this isn’t the world I grew up in. Back then, the Solar System had nine planets, assorted moons, and asteroids. Plus, of course, the sun. Now we’ve got planets, dwarf planets, minor planets, natural satellites, trans-Neptunian … Continue reading

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OSIRIS-REx’s SRC is Back: Snapshots from Utah 0 (0)

An ‘up’ side to my parish’s new Mass schedule is that it gets me back home a few minutes after 9:00 a.m. Usually. Today we had a baptism, so it was about 9:30 when I returned. But that left me … Continue reading

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DART: Trick Shot by OpNav, and a Successful Test 0 (0)

On September 26, 2022, the NASA/APL DART mission changed the orbit of an asteroid: Dimorphos, a satellite of 65803 Didymos. “NASA Confirms DART Mission Impact Changed Asteroid’s Motion in Space“Josh Handal, Justyna Surowiec; press release; NASA, Johns Hopkins Applied Physics … Continue reading

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