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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 on February 15, 1786. It was the first planetary nebula whose spectrum was investigated by the English amateur astronomer William Huggins , demonstrating that planetary nebulae were gaseous ...
Caldwell advocates, however, see the catalog as a useful list of some of the brightest and best known non-Messier deep-sky objects. Thus, advocates dismiss any "controversy" as being fabricated by older amateurs simply not able or willing to memorize the new designations despite every telescope database using the Caldwell IDs as the primary ...
NGC 3242 (also known as the Ghost of Jupiter, Eye Nebula or Caldwell 59) is a planetary nebula located in the constellation Hydra.. William Herschel discovered the nebula on February 7, 1785, and catalogued it as H IV.27.
The planetary health diet, also called a planetary diet or planetarian diet, is a flexitarian diet created by the EAT-Lancet commission [1] [2] as part of a report released in The Lancet on 16 January 2019. [3] The aim of the report and the diet it developed is to create dietary paradigms that have the following aims: [2]
NGC 6826 (also known as Caldwell 15) is a planetary nebula located in the constellation Cygnus. It is commonly referred to as the "Blinking Planetary", although many other nebulae exhibit such "blinking". When viewed through a small telescope, the brightness of the central star overwhelms the eye when viewed directly, obscuring the surrounding ...
Though planetary alignments aren't uncommon, the amount of planets aligning on June 3 is unusual. Here's what to know about the "planet parade."
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Caldwell Blakeman Esselstyn Jr. (born December 12, 1933) [1] is an American physician, author and former Olympic rowing champion. Esselstyn is director of the Heart Disease Reversal Program at the Cleveland Clinic . [ 4 ]