We’ve been warned by an asteroid. The next one might hit.
A near-miss reminds us that asteroids have changed Earth’s history, and will again – unless we stop them.
project spaceguard
Three things to know about asteroids, certain death from the sky (eventually)
Summary: Asteroid Day approaches (mark June 30 on your calendar), reminding us about the risk of death from the sky from asteroids and comets — one of the largest of the many shockwaves looming in our future. Here are the three things to know about this danger. This is a follow-up to Asteroid Day: reminding …
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Asteroid Day: reminding us of the threat, pushing us out into space
Summary: Asteroid Day approaches (mark June 30 on your calendar). To prepare, here are descriptions in film and literature of doom from the sky by comets and asteroids. Tomorrow’s post shows what we are doing in the real world to prepare. “The dinosaurs became extinct because they didn’t have a space program. And if we …
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Asteroid Day: reminding us of the threat, pushing us out into space
Summary: Today is asteroid day, an opportunity to see ourselves against the big picture of Earth’s history. As I’ve written before, Apollo was an expensive trip to nowhere, and explained why we have not gone into space, & why we will. Asteroid Day puts in context both this failure (of vision but not boldness) and …
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Why we have not gone into space, & why we will.
Summary: In the 1960s many bright people, from scientists to science fiction writers, predicted that we would have a large presence in space by now. They correctly predicted we would have the technology. Why do we have nothing but a few small robot explorers? What will eventually draw us into space? This is a follow-up …
Why we have not gone into space, & why we will. Read More »