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Olimpiadas de Fisica, Astronomía y Astrofísica
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Galaxy With a Glowing Heart: This view, captured by the Hubble Space Telescope, shows a nearby spiral galaxy known as NGC 1433. At about 32 million light-years from Earth, it is a type of very active galaxy known as a Seyfert galaxy — a classification that accounts for 10% of all galaxies. They have very bright, luminous centers that are comparable in brightness to that of our entire galaxy, the Milky Way.

The centers of most galaxy cores, if not all, galaxies are thought to contain a supermassive black hole, surrounded by a disk of in-falling material.

Credit: ESA/Hubble & NASA

#nasa #space #astronomy #hubble #hst #esa #galaxy #science


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Behavioral problems in cats, such as avoiding the litterbox, excessive meowing and other attention-seeking behavior, biting and painful or destructive scratching can be corrected by first eliminating physical causes, then instituting a program of gradual retraining, with the help of these resources. Remember that there are no bad cats, only uninformed cat caregivers.
I would suggest trying to deal with one problem cat behavior at a time. Too many "dos" and "don'ts" will only confuse your cat and frustrate your training attempts. Start with the most potentially hazardous problems first - such as chewing on electrical cords - then move on from there. Here are the most-often reported behavioral problems in
Cat Behavior
Attention-Seeking Behavior
Attention-seeking behavior and excessive vocalization often go hand-in-hand with cats. Causes for these behaviors can be either physical or emotional, or both. Before punishing your cat for excessive crying and meowing, or other attention seeking behavior, do some homework on possible causes.
See Also: Rippling Skin Disorder
Also called Feline hyperesthesia, one of the symptoms of Rippling Skin Disorder is loud "lost-in-the-night" howling.
Cats' Aggression Toward People
Cats' aggression toward people can be caused by poor training as a kitten (as in play aggression), fear, or other factors. Learn how to prevent a cat's aggression toward people, how to deal with it when it happens, and how to curb a cat's biting and scratching behavior.
Feline Aggression Toward Other Cats
Cats sharing a household will sometimes fight, but when active aggressive behavior between cats rears its ugly head, sometime human intervention is necessary.
Aggression between cats can be fear-based, territorial, or redirected aggression. This article will help the reader deal with aggression between cats in a household.
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