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The oldest observable light in the universe is in the same wavelength range that cooks your food — microwaves! The cosmic microwave background was emitted about 13.8 billion years ago, when the universe was just 380,000 years old. https://tmblr.co/Zz_Uqj2bmSLWy #MicrowaveOvenDay
#NASAUniverse

What Can We Learn from the Universe’s Baby Picture?

If you look at your baby photos, you might see hints of the person you are today — a certain look in the eyes, maybe the hint of your future nose or ears. In the same way, scientists examine the...
nasa (Tumblr)
#nasauniverse #microwaveovenday
in reply to NASA

KanaMauna
KanaMauna
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But how long would it take to reheat my mug?
in reply to NASA

Starry Starry Knight
Starry Starry Knight
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That explains the Undercooked Popcorn Nebula... 🤩

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