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A Distant Supercluster of Galaxies Points To Self-Interacting Dark Matter

The El Gordo supercluster is unusually large given its distance. How could such a large galaxy cluster form so quickly? The answer could be that dark matter is self-interacting in an interesting two-state way.

A Distant Supercluster of Galaxies Points To Self-Interacting Dark Matter

We haven't written up this one. Universe Today has the full story — the link below goes straight to it.

Read the original at universetoday.com →

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I Am Artemis: Allison Mjoen

As the supercooled propellant flowed into the core stage, and NASA’s SLS (Space Launch System) rocket roared to life, Allison Mjoen and her family watched with awe and pride. Mjoen, NASA’s operations manager for the agency’s Exploration Ground Systems program, helped shape the systems and ground operations that will one day send humans…

I Am Artemis: Allison Mjoen

As the supercooled propellant flowed into the core stage, and NASA’s SLS (Space Launch System) rocket roared to life, Allison Mjoen and her family watched with awe and pride. Mjoen, NASA’s operations manager for the agency’s Exploration Ground Systems program, helped shape the systems and ground operations that will one day send humans…

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