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Plus a high-res map of Bennu, a virtual space party, and more
2 March 2020
Learn why and how we study exoplanets, and how you can get involved.
Scientists are searching for 100 Earth-like planets around other stars, and you can help.
Swapna Krishna ● 12 March 2020
The habitable zone is the not-too-hot, not-too-cold region around a star where liquid water can exist.
Emily Lakdawalla ● 2 March 2020
Lava worlds. Hot Jupiters. Earth 2.0 candidates. Here's a rundown of some notable exoplanets.
Emily Lakdawalla & Staff ● 2 March 2020
Some methods almost sound like science fiction: Using gravity as a magnifying glass, watching stars wobble at turtle-like speeds, and searching for tiny dips in starlight.
WFIRST, NASA's Wide Field Infrared Survey Telescope, is the next step in our hunt for Earth-sized exoplanets.
• December 31, 2009
Did you think I was going to skip Uranus? How could I?
• December 30, 2009
Looking over the list of planets, moons, and smaller bodies I posted so far, I realized I didn't have an image of a comet yet.
• December 29, 2009
Rhea? You might be asking. Rhea? When Saturn has so many more interesting moons? Hear me out.
• December 28, 2009
Here's yet another of the moons of Uranus for you: Ariel, a near-twin in diameter to Umbriel, but apparently with more interesting geology.
• December 27, 2009
This one is fresh from the spacecraft! The data were captured yesterday, December 26, by Cassini during its best yet imaging encounter with the small ringmoon Prometheus, and showed up on the Cassini raw images website today.
• December 26, 2009
Titan is a weird alternate-universe Earth, surprisingly similar to our own planet in some ways, but not at all like our planet in others.
• December 24, 2009
To those of you who celebrate the holiday, merry Christmas! I hope Santa was good to you.
I think if you polled most space fans about their favorite moons of Jupiter, Ganymede would come in a consistent third behind Europa and Io. It's just not fair.
• December 23, 2009
Mars' moon Deimos never gets as much love as Phobos.
• December 22, 2009
Venus is such a beautiful, brilliant light in the sky. (When it's up; just now Venus is actually near solar conjunction, so we'll have to wait a bit for it to grace the heavens.)
Become a member of The Planetary Society and together we will create the future of space exploration.
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