joi, 5 decembrie 2013
The Hubble telescope
The 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 Hubble, 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.
This is the Sombraro Galaxie also called M104 in Messier’s catalog at a distance of 28 millions light years. This is considered one of the best pictures Hubble took.
Then we have the Ant’s 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 Cat’s Eye Nebula
Fifth place the Hour Glass Nebula located 8000 light years the result of an exploding star.
In 6th place, we have a part of the Cone Nebula at 2,5 light years
In Seventh position, we find a protion of the Swan Nebula located 5,500 light years described as an ocean of hydrogen with small quantities of oxygen, sulfur and other elements.
In 8th place, this beautiful image called “Starry night”
And also know as Light Echo
In 9th place, two galaxies merging NGC 2207 and IC 2163 located 114 millions light years
Tenth place, a fragment of the Trifid Nebula with many stars at 9000 light years.
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