The universe is made up of three components: normal or visible matter (5%), dark matter (27%), and dark energy (68%). NASA's Goddard Space Flight Center From stars and galaxies to the shoes on your ...
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Dark matter and dark energy: What the universe is made of, and what we still don’t know
Welcome to the age of precision cosmology, a scientific era in which astronomers and physicists have measured almost everything about our universe—except for its deepest mysteries: dark matter and ...
There are plenty of awesome objects in the universe, made more marvelous by scientists’ ability to image and understand the laws and processes that make them possible. Each year, researchers make new ...
Most messages are press releases about astronomical discoveries—okay, scratch that; most of them are spam, but science announcements are an easy second place. But I also get questions from readers ...
Andromeda and the Milky Way merge. NASA; ESA; Z. Levay and R. van der Marel, STScI; T. Hallas; and A. Mellinger Share Curious Kids is a series for children of all ages. If you have a question you’d ...
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