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This is the list of notable stars in the constellation Hydra, sorted by decreasing brightness. Name B F G. Var HD HIP RA Dec vis. mag. abs. mag. Dist. Sp. class Notes
Hydra has one bright binary star, Epsilon Hydrae, which is difficult to split in amateur telescopes; it has a period of 1000 years and is 135 light-years from Earth. [7] The primary is a yellow star of magnitude 3.4 and the secondary is a blue star of magnitude 6.7. However, there are several dimmer double stars and binary stars in Hydra.
Pages in category "Hydra (constellation)" The following 200 pages are in this category, out of approximately 203 total. This list may not reflect recent changes.
Hydra viridissima is a species of cnidarian which is commonly found in still or slow-moving freshwater [2] in the Northern temperate zone. Hydra viridissima is commonly called green hydra due to its coloration, which is due to the symbiotic green algae Chlorella vulgaris which live within its body. [ 3 ]
Modern observational versions of the chart replace spectral type by a color index (in diagrams made in the middle of the 20th Century, most often the B-V color) of the stars. This type of diagram is what is often called an observational Hertzsprung–Russell diagram, or specifically a color–magnitude diagram (CMD), and it is often used by ...
How to cook prime rib. Many chefs recommend cooking prime rib at a high temperature for the first 30 minutes or so to brown the exterior. Then, they drop the temperature and cook the prime rib low ...
Nearly one year ago, I made four predictions about the stock market in 2024. The Fed indeed cut rates in Q4, but stocks didn't jump as much as I anticipated. Here are my five predictions for the ...
The Hydra, a fictional deity created by Henry Kuttner. Mother Hydra, the co-ruler of the Deep One race in the Cthulhu Mythos; The Hydra, a fictional fighter jet in Grand Theft Auto: San Andreas and Grand Theft Auto Online; The Hydra, a fictional machine in Kirby Air Ride; Hydra, a boss enemy in the video game Prototype 2