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2026
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Source-derived question
What were the measured proportions of ordinary matter, dark matter, and dark energy in the universe?
Cosmic Microwave Background
Dark Energy
Dark Matter
Sources that address it
WMAP first-year results establish age and composition of the universe
almanac
Related questions
What theoretical framework did James Peebles build to explain dark matter, dark energy, and the cosmic microwave background?
How cold is the afterglow of the Big Bang today, and why has it cooled so much?
How did Fritz Zwicky's original evidence for dark matter differ from this 2007 detection?
How did Penzias and Wilson accidentally detect the cosmic microwave background in 1964?
How did X-ray and gravitational-lensing maps separate the location of ordinary matter from dark matter?
How did astronomers detect a ring-shaped structure of dark matter using gravitational lensing?
How did polarised galactic dust end up mimicking the signature of primordial gravitational waves?
How does a uniform 2.7 Kelvin glow across the whole sky count as evidence for the Big Bang?