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Orion
Nebula image by John Bally (University of
Colorado) taken with the KPNO 4 meter telescope
(NOAO). |
Bob
O'Dell and Hubble Heritage image of Hubble-X
taken with HST (slightly reddened to show
extent of cloud). |
Although
Hubble-X in the nearby galaxy NGC 6822 looks strikingly
similiar to the nearby Orion Nebula in our Milky
Way galaxy, Hubble-X is much brighter and much bigger.
In fact, if the Orion Nebula were placed at the
distance of NGC 6822, it would be about the same
brightness and size as the small knot visible just
below Hubble-X in the above Heritage image. Fascinating
facts on the two: Orion is 450 pc distant and roughly
3 pc in diameter. Hubble-X in NGC 6822 is 500 kpc
distant and 34 pc in diameter!
Visit
a Related Site of NGC 6822 at the NOAO Website
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