英语天文学之哈勃望远镜.ppt

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1、Heres a little astronomy to help you put this into perspective HubbleThe Hubble telescope is located outside our atmosphere and is orbiting around the Earth at 593 km above sea level with an orbital period of about 96 to 97 minutes at a speed of 28,000 km/h.Its name is in honor of astronomer Edwin H

2、ubble, it was placed in orbit on April 24, 1990. It weighs about 11000 kg in a cylindrical form with a 13.2 m length and a diameter of 4.2 m. This telescope can obtain images of the cosmos at an 0.1 arc second of resolution. View from inside the Space StationHubbles bestThis is the Sombraro Galaxie

3、also called M104 in Messiers catalog at a distance of 28 millions light years. This is considered one of the best pictures Hubble took. Then we have the Ants Nebula so called because of its shape and located 3000 and 6000 light years. Then here is the Esquimo Nebula at 5000 light years.In fourth place the Cats Eye Nebula.Fifth place the Hour Glass Nebula located 8000 light years the result of an exploding star.

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