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Hoag's Object

130 点作者 ani-ani超过 5 年前

5 条评论

CliffStoll超过 5 年前
As a summer student at Kitt Peak Observatory in 1974, I had the honor of working with Art Hoag. Not just a brilliant astronomer and a super efficient observer. Art was a true gentleman of the old school: kind to students and quite progressive. Forty five years ago, over night-lunch at the observatory, he told us of the importance of bringing into astrophysics more women, minorities, gays, and foreign students.
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mkaic超过 5 年前
Very cool that there’s a second ring galaxy you can see by looking through the first one! And here I was not even knowing ring galaxies existed until today!
bmgxyz超过 5 年前
It's neat that such an interesting and pleasing object just happens to be facing us.
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zabzonk超过 5 年前
A somewhat bigger Ringworld? <a href="https:&#x2F;&#x2F;www.wikiwand.com&#x2F;en&#x2F;Ringworld" rel="nofollow">https:&#x2F;&#x2F;www.wikiwand.com&#x2F;en&#x2F;Ringworld</a> Which, by coincidence, I am currently re-reading.
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phkahler超过 5 年前
This structure seems like it should not be stable. If the middle part were not centered, it would be gravitationally attracted to the ring.
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