Three Alpha
An astronomy newsletter.
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A global effort to monitor the cosmos.
What I actually do for a living.
A few thoughts on the uncertainty of the new year.
We're taking a short break.
New images of a young star could tell us a lot.
Studying what's left can tell us about dark matter.
But what will it actually see?
Thanks to relativity we can't see the other one.
Two very different objects that sound remarkably similar. So what's the difference?
But just how big is it, exactly?
