Explanation: Globular clusters once ruled the Milky Way. Back in the old days, back when our Galaxy first formed, perhaps thousands of globular clusters roamed our Galaxy. Today, there are perhaps 200 left. Many globular clusters were destroyed over the eons by repeated fateful encounters with each other or the Galactic center. Surviving relics are older than any Earth fossil, older than any other structures in our Galaxy, and limit the universe itself in raw age. There are few, if any, young globular clusters in our Milky Way Galaxy because conditions are not ripe for more to form. Things are different next door, however, in the neighboring LMC galaxy. Pictured above is a "young" globular cluster residing there: NGC 1818. Observations show it formed only about 40 million years ago - just yesterday compared to the 12 billion year ages of globular clusters in our own Milky Way

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Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
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NASA Official: Jay Norris. Specific rights apply.
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& Michigan Tech. U.

Publikacii s klyuchevymi slovami: LMC - NGC 1818 - Bol'shoe Magellanovo Oblako - globular cluster - Sharovoe skoplenie Publikacii so slovami: LMC - NGC 1818 - Bol'shoe Magellanovo Oblako - globular cluster - Sharovoe skoplenie
Sm. takzhe: Mess'e 4 Sharovoe zvezdnoe skoplenie NGC 6752 Galaktika Bol'shoe Magellanovo Oblako Ogromnoe sharovoe skoplenie v Gerkulese Sharovoe skoplenie ω Centavra Milliony zvezd v ω Centavra Zona Tarantula Vse publikacii na tu zhe temu >>