The Hubble Space Telescope

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 The Hubble Space Telescope (HST) was placed in orbit on April 1990 by the Space Shuttle Discovery (STS-31). It was carried in the Shuttle's cargo bay! The space based observatory allows astronomers a better view of the universe. The telescope is the size of a school bus.

Hubble Space Telescope Picture

NASA named the world's first space-based optical telescope after American astronomer Edwin P. Hubble (1889?953). Hubble confirmed an expanding universe, which provided the foundation for the Big Bang theory.

Hubble Space Telescope Facts

Manufacturer: Lockheed

Size13.3 m long, 4.3 m diameter

43.5 ft (13.2 m)

Weight: 24,500 lb (11,110 kg)

Maximum Diameter: 14 ft (4.2 m)

Orbit: 590 km circular, 28.5 deg inclination

Time to Complete One Orbit: 97 minutes

Speed: 17,500 mph (28,000 kph)

First Image: May 20, 1990: Star Cluster NGC 3532

Design Life: Designed for a 15 year life with on-orbit servicing.

1st Servicing Mission: December 1993

2nd Servicing Mission:
February 1997

3rd Servicing Mission:
December 1999

4th Servicing Mission: December 2001

hubble space telescope pic

Did you know?

  • Hubble's giant mirror weighed one ton and took three years to grind and polish.
  • By placing the telescope in space, the blurriness of the Earth's atmosphere is overcome.

Where is Hubble Space Telescope right now?

To track the Hubble telescope try the following HST links:

The successor to Hubble will be The Next Generation Space Telescope (NGST), which is being designed right now and may be launched as early as 2008.

The Space Shuttle and the Hubble Telescope from

Hubble Space Telescope: New Views of the Universe by Mark Voit from,,

Hubble: The Mirror on the Universe by Robin Kerrod from,,

Origins: Our Place in Hubble's Universe by John R. Gribbin, Simon Goodwin from,,

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Updated: Tuesday 1st, April, 2014