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#firstlight

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Another feature that you can see in #ESAEuclid's first images: What are these? Satellite streaks 🛰️? Asteroids ☄️? Superwoman (or Superman) 🦸🏽 ?

No, much smaller: these are traces by #CosmicRays ⚡, hitting #Euclid's #VIS and #NISP detectors directly, depositing energy and electric charges in their pixels.

Read more about all the features and objects you can see in #Euclid's #FirstLight images:

👉 euclid-ec.org/whats-in-euclids

Behold the #FirstLight of a new instrument called the #KeckPlanetFinder (KPF) on the #Keck 10-m telescope in Hawaii. The image is a rainbow (or spectrum) of a star named 51 Peg, made famous in 1995 as the first sun-like star known by humans to have a planet. KPF effectively opened its eyes to 51 Peg. And it did so on Carl Sagan’s birthday, November 9. Read more about how KPF will improve our searches for all those incredible things just waiting to be known here: keckobservatory.org/kpf/ #astrodon