NASA Universe (@NASAUniverse)
@NASAUniverse
Your backstage pass to the universe and how NASA studies it. Exoplanets, black holes, dark energy, and more!
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Ever wondered how an idea becomes a spacecraft? Well first, we gotta scope it out! 🎶
Learn more about how telescopes work here:
Keep cool like XRISM!
To measure the heat from X-rays, the Resolve instrument on the XRISM observatory runs at just one-twentieth of a degree above absolute zero. To stay cold, its cooling system turns on every couple days — and it recently went through its 500th cycle.
More about XRISM, a @JAXA_en-@NASA partnership with @ESA contributions:
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These stellar siblings brought the drama! Our Fermi telescope revealed that these two supernova remnants may be debris from a pair of once-orbiting massive stars that both exploded. The first blast kicked one star light-years away before its own blow-up:
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