(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