Sense of scale in the universe
Reshared post from +Philip Plait
If you needed to start off the morning with your sense of scale crushed into dust, then here is that huge sunspot cluster with the Earth for comparison.
Giant sunspots are giant | Bad Astronomy | Discover Magazine
Astronomy | Alan Friedman | Active Region 1339 — a huge cluster of sunspots which appeared on the Sun a few days ago — is still going strong. "Amateur" astronomer Alan Friedman
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