(MUSIC)
JOAN CARTAN-HANSEN, HOST:
NOT ALL SATELLITES STUDY
THE EARTH.
ONE OF THE MOST FAMOUS
SATELLITES IS THE HUBBLE
TELESCOPE.
ITS JOB IS TO LOOK OUTWARD.
THE HUBBLE TELESCOPE WAS
PLACED IN ORBIT IN 1990.
IT STARTED WITH A LITTLE
PROBLEM WITH ITS MIRROR, BUT
AFTER THAT WAS FIXED, THIS
TELESCOPE HAS GONE ON TO
PROVIDE US WITH THE MOST
AMAZING VIEWS OF OUR SOLAR
SYSTEM AND OF GALAXIES IN THE
FARTHEST PARTS OF THE COSMOS.
THE HUBBLE TELESCOPE ORBITS
THE EARTH EVERY 95 MINUTES AND
IS POWERED BY SOLAR PANELS.
WITH AN ARRAY OF DIFFERENT
INSTRUMENTS, THE HUBBLE
TELESCOPE HAS MADE MORE THAN
ONE POINT FOUR MILLION
OBSERVATIONS SINCE ITS START
IN 1990.
HUBBLE CAN TAKE PICTURES IN
COLORS THAT WE CAN'T EVEN SEE
WITH OUR EYES.
THIS PICTURE OF A STELLAR
NURSERY IN THE EAGLE NEBULA IS
ONE OF THE TELESCOPE'S MOST
FAMOUS.
THE HUBBLE TELESCOPE
DISCOVERED TWO MOONS OF PLUTO,
DISCOVERED THAT EVERY MAJOR
GALAXY HAS A BLACK HOLE AT ITS
CENTER AND CHANGED THE WAY WE
UNDERSTAND THE UNIVERSE.
FOR MORE INFORMATION ABOUT
SATELLITES, CHECK OUT THE
SCIENCE TREK WEBSITE.
YOU'LL FIND IT AT SCIENCE TREK
DOT ORG