Exploring The Hubble
An Impact on Modern Astronomy

The Hubble is a space telescope that was launched into low Earth orbit in 1990 and remains in operation. It was not the first space telescope, but it is one of the largest and most versatile, renowned both as a vital research tool and as a public relations boon for astronomy.

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• Launch
  April 24, 1990
• Speed
  17,500 miles/hr
• Time
  32 years elapsed
• Inventor
  Edwin Hubble

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The Age of the Universe

Understanding Age and Expansion

Among its primary mission targets was to measure distances to Cepheid variable stars more accurately than ever before, and thus generate the value of the Hubble constant. The constant is the measure of the rate at which the universe is expanding, which is also related to its age. Scientists now predict an age ranging from 10 to 20 billion years.

More Hubble Discoveries

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