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Stories, updates, insights, and original analysis from The Planetary Society.

Cosmos with Cosmos Episode 4: Heaven & Hell

Humans face the consequences of our own knowledge about the cosmos in this latest episode recap and analysis of Carl Sagan's classic series.

My ever-popular asteroids-and-comets montage, now in color, with bonus Toutatis

My collage of all the asteroids and comets visited by spacecraft is probably the single most popular image I have ever posted on this blog. I've now updated it to be in color and to include Toutatis.

Asteroids and comets to scale, including Hartley 2

Just in time for today's Deep Impact press briefing, which you can watch on NASA TV in a few minutes: I've updated my montage of all the asteroids and comets that have been visited and photographed to include Hartley 2.

Spectacular animation of Halley's comet

It's a holiday and I'm enjoying time with the family, so rather than write a lot, I will let a spectacular image do the talking for me.

Space is vast. There's a lot of exploring to do.

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