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Currently Browsing: Results for Tag "sdss"

Biggest 3D map ever made covers 650 billion cubic light years

Biggest 3D map ever made covers 650 billion cubic light years In total, the map encompasses a volume of some 650 billion cubic light years.8 billion years old), at which point they became frozen in the matter distribution of the Universe.

This week in space: dark matter, exoplanets, galactic superclusters, and a Dragon

This week in space: dark matter, exoplanets, galactic superclusters, and a Dragon ” This week marks the 47th anniversary of the first moon landing.Do you know any moon landing denialists?

Found: a “fluffy” galaxy made from 99% dark matter

Found: a “fluffy” galaxy made from 99% dark matter Current estimates suggest that dark matter is far more common than ordinary matter, constituting between three-quarters and 84.In our own galaxy, dark matter is thought to be about five times more common than ordinary matter – but now scientists working with the Gemini North and Keck II telescopes have discovered a galaxy that’s made from 99.