Can We Really See Other Stars As True Disks? You Betcha!

Stars can be huge – Betelgeuse in Orion is 1,500 times the size of the sun – but they’re so far away that even in the largest telescopes they’re unresolved pinpricks of light. Only the sun shows a substantial disk. ┬áBut if you placed it at the distance of even the nearest star system, Alpha…
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Catch A Glimpse Of The World’s End In Mira’s Burning Eye

Big changes are coming for the sun. Hydrogen makes up 3/4 of the sun’s mass, an element it “burns” via nuclear fusion to create the light and energy that stream to Earth every day. As with any fire, there’s leftover ash. For the sun that means helium, the byproduct of the fusion of hydrogen atoms.…
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Meet Miss Wonderful

Yesterday night was splendid for comet photography. Comet Hartley 2 slowly edged in toward the Double Cluster making for a picturesque portrait of two faraway star clusters and one fuzzy green visitor from the inner solar system. I hope you had the opportunity to see the comet yourself last night. Tonight Hartley 2 will still…
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