Tag: space
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PBS Eons: When Earth “Ate” a Planet
There's a new episode of PBS Eons. This one is about the origin of our moon. Where did our unique moon come from? It turns out that lunar rocks brought back by Apollo astronauts are a clue, pointing to the origin of our closest cosmic companion, an origin even stranger than you might imagine…
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Earth Had a Ring 466 Million Years Ago, Study Says
The New York Times has a nice review of a study published in the journal Science Direct that postulates the Earth had a ring during the Ordovician Period, some 466 million years ago. There are numerous (21!) impact craters that date to the period. At the time, Earth was an island world, with life being…
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The Eclipse Was So Nice, They’re Doing It Twice
Unless you’ve been living under a rock or perhaps in a cave, you’re probably heard about the upcoming total solar eclipse on April 8th, 2024. The New York Times has a nice and informative story about the event. Here is the Chicagoland area, we are at around the 90% band. That’s pretty significant. Hopefully, the…
