Did you know @NASAPersevere is carrying two microphones to Mars? One will capture sounds of the rover's landing and operations; the second is part of a science instrument, and will record sound to potentially help us understand the characteristics of rocks:
"It once held a lake. And what we're going to do, as soon as we get there, is to explore the rocks that were deposited in that lake for biosignatures - for evidence of ancient life." - @NASAPersevere scientist Ken Farley explains what the rover will study at Jezero Crater, Mars.
I’m 22 days from landing on Mars. With ~25.6 million-miles (41.2 million-km) left, I’m closing in on Jezero Crater. It’s the most dangerous Martian site attempted for landing, but I'm ready to take it on.🚀 #CountdownToMars
"I asked the team [...] to come up with something that would symbolize, to mark this challenge and thank in particular, the front-line workers, the medical community, that were out there doing their job." - @NASAJPL's Matt Wallace on the commemorative plate aboard @NASAPersevere.
"Perseverance is the very first rover designed to seek signs of past microbial life, by collecting and caching rock & soil samples that will be returned to Earth by future missions." - Planetary Science director Lori Glaze describes the work @NASAPersevere will perform on Mars.
Don't forget to join us for today's briefing at 4:30pm ET (21:30 UTC):
Tag your questions #CountdownToMars.
Meanwhile, learn more about the Perseverance rover and the landing that will take place on Feb. 18:
That's a wrap! @Astro_illini and @AstroVicGlover concluded today's spacewalk at 1:24pm ET, following a 6-hour and 56-minute excursion to perform @Space_Station upgrades. Inside, @Astro_Soichi and Kate Rubins await their crew mates as the airlock repressurizes.
In a first, astronomers find a system of six stars made of three eclipsing binaries. Stars orbit their partners and pairs circle each other. It's a star dance party in space! @NASA's TESS space telescope spotted this strange system.
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