ENLARGE
A "mystic mountain" shrouds a stellar nursery
When the Earth-orbiting Hubble Space Telescope opened its sharp "eye" on the universe 20 years ago, planets circling other stars were just a dream and no one had heard of "dark energy." (read more)
Astronomers have used Hubble to hunt for planets around other stars in the hub of our Milky Way Galaxy and to study the bright light from faraway exploding stars to collect evidence for a mysterious dark energy, which makes up most of the energy in our universe.
Hubble has helped expand our view of the cosmos, allowing us to better understand our universe and our place in it. From its lofty perch 350 miles above Earth, Hubble sees farther and sharper than any previous telescope. The observatory has imaged more than 30,000 celestial objects, snapping more than 570,000 pictures.Astronomers have used Hubble to hunt for planets around other stars in the hub of our Milky Way Galaxy and to study the bright light from faraway exploding stars to collect evidence for a mysterious dark energy, which makes up most of the energy in our universe.
It's not just the scientific discoveries that have made Hubble an American icon. The telescope's breathtaking images of such cosmic beauties as Saturn and its rings, the pillars in the Eagle Nebula, and a pair of interacting galaxies called The Mice have inspired astronomers and the public.
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