The media in this post is not displayed to visitors. To view it, please go to the original post.
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. 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)
