Mercury: Crash Course episode on the closet planet to the Sun.

Crash Course Astronomy: Mercury

Crash Course Astronomy: Mercury

Bad Astronomy
The entire universe in blog form
April 17 2015 11:15 AM

Crash Course Astronomy: Mercury

cca_mercury

Quick: What’s the hottest planet in the solar system?

You might think Mercury, because it’s the closest to the Sun. But in fact, it’s not! Venus is hotter due to its runaway greenhouse effect.

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But that’s not to say Mercury isn’t loaded with astronomical goodness. It’s got a lot going on: craters, rupes, a swollen iron core, and a frosty surprise in its boreal craters.

So please watch, listen, and enjoy this week’s episode of Crash Course Astronomy: Mercury.

And a side note I can’t help but mention: Right now as I write this, NASA’s MESSENGER probe has but weeks to live. Out of propellant, by the end of April it’s destined to slam into Mercury’s surface after more than 4,000 orbits of service to science.

Crash Course Mercury, indeed.