Tag Archives: planets

Sednoids and the Mysterious Missing Planet X

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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Fusion Rocket Engines, SETI and Science: Seriously

Nerd alert! This week I used words like deuterium and magnetohydrodynamics. And I may have gone into more detail that necessary about why we didn’t have fusion power generators in the 1960s. A British company’s plans for test-firing a fusion … Continue reading

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Back to Betelgeuse, Methenium in Orion, TRAPPIST-1 Update

Scientists found methenium, a simple organic compound, in a protoplanetary disk. I’ll talk about that this week, and why it’s a big deal. The planet TRAPPIST-1c is about the same size as Venus, but it’s very likely airless. Betelgeuse may … Continue reading

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WASP-18 b and Other Wonderfully Weird WASP Worlds

When I started writing this, I’d planned on talking about WASP-18 b, a hot Jupiter: how we’ve found water in its atmosphere, and something odd about the planet’s temperature on the edge of its sunlit side. Down the Rabbit Hole: … Continue reading

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Super-Duper Super Earths and the Search for Life

This week, I’ll talk about Professor Ethan Siegel’s view that “the myth of the super-habitable super-Earth planet” is “a scientific catastrophe”, other non-catastrophes; and a problem with “super-Earths” as a label. Along the way I’ll look at science, news, headlines … Continue reading

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