NGC 1027 is an open cluster in the constellation Cassiopeia. It was discovered by William Herschel in 1787. It is visible at the eastern part of the constellation...
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Cat's Eye Nebula (redirect from NGC 6543)
The Cat's Eye Nebula (also known as NGC 6543 and Caldwell 6) is a planetary nebula in the northern constellation of Draco, discovered by William Herschel...
25 KB (2,789 words) - 04:28, 16 August 2024
This is a list of NGC objects 1001–2000 from the New General Catalogue (NGC). The astronomical catalogue is composed mainly of star clusters, nebulae...
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2020-06-26. "ngc 1857". sim-id. Retrieved 2020-06-26. "ngc 2192". sim-id. Retrieved 2020-06-26. "ngc 2215". sim-id. Retrieved 2020-06-26. "ngc 2243". sim-id...
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II Program. The catalogue contains 400 objects. All objects are from the NGC. All objects are visible in mid northern latitudes, since they were all observed...
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Embedded within Messier 24. Associated with Messier 17. Associated with NGC 6820. Embedded within the Iris Nebula. There are some errors in Collinder's...
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black holes up to 21 billion (2.1 × 1010) M☉ have been detected, such as NGC 4889.) Unlike stellar mass black holes, supermassive black holes have comparatively...
25 KB (2,456 words) - 12:45, 30 August 2024
order of 10−33 to 10−32 seconds. The universe is supercooled from about 1027 down to 1022 kelvin. c. 10−32 seconds: Cosmic inflation ends. The familiar...
36 KB (5,006 words) - 11:31, 16 August 2024
Yervant (1999). "Hubble Space Telescope Measurements of the Expansion of NGC 6543: Parallax Distance and Nebular Evolution". Astronomical Journal. 118...
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Orders of magnitude (numbers) (section 1027)
languages.) Astronomy – Catalogues: There are 7,840 deep-sky objects in the NGC Catalogue from 1888. Lexicography: 8,674 unique words in the Hebrew Bible...
90 KB (9,971 words) - 00:38, 8 September 2024