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Cool and interesting things that happen in space.

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maryann carroll

on 8 June 2016

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Transcript of Cool and interesting things that happen in space.

Cool and interesting things that happen in space.
By Jacob Korkue
There is a universe that is expanding 5 to 9 percent faster than NASA had expected,an important clue as to understand those mysterious parts of the universe that make up 95 percent of everything and don't emit light.
This 10.5-billion-year-old globular cluster, NGC 6496, is home to heavy-metal stars of a celestial kind! The stars comprising this spectacular spherical cluster are enriched with much higher proportions of metals — elements heavier than hydrogen and helium are curiously known as metals in astronomy — than stars found in similar clusters
Every day, Earth is bombarded with more than 100 tons of dust and sand-sized particles, about once a year, an automobile-sized asteroid hits Earth's atmosphere, creates an impressive fireball, and burns up before reaching the surface, every 2,000 years or so, a meteoroid the size of a football field hits Earth and causes significant damage to the area But only once every few million years, an object large enough to threaten Earth's civilization comes along.
Impact craters on Earth, the moon and other planetary bodies are evidence of these occurrences.
About once a year, an automobile-sized asteroid hits Earth's atmosphere, creating an impressive fireball, and burns up before reaching the surface.
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