Merging galaxies: the bigger guy wins
As part of our Lab Talk series, Luke Davies explains what happens when galaxies collide.
Photo of the Milky Way which is on course to eventually merge with the Andromeda galaxy. – Miles Bowers Photography /...
galaxies
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The problem with dark matter
The evidence that dark matter is real is all but irrefutable.
Let me begin by telling you that dark matter is real. The evidence is overwhelming. Without dark matter stars would e...