The best of 2023 | The Planetary Society

Best “Fact Worth Sharing” from our weekly Downlink newsletter

With trillions of galaxies in the Universe, each containing hundreds of billions of stars, most of which are likely to host planets, many of which host moons, the number of worlds out there is staggering — as is the likelihood that life exists beyond Earth.

Favorite planetary science mission that was active this year

The James Webb Space Telescope

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