# 9.4: HST Achievements


## HST Achievements

So, what are the Hubble Space Telescope’s greatest achievements since its 1990 launch? As a summary of some of the many HST achievements:

• Determine the rate the Universe is expanding, and that expansion rate is accelerating
• The range of the age of the Universe
• Discovery and confirmation of galactic nuclei supermassive black holes
• Discovery and observations of proto-planetary disks – called proplyds – in the Great Orion Nebula
• Stellar systems forming, and planets around other stars
• Observations of Comet Shoemaker-Levy 9’s collision with Jupiter
• Solar System observations
• The Universe is thick with galaxies

As you can see, the Hubble Space Telescope has had a rich — and sometimes troubling — history.

The Orion Nebula, as captured by the Hubble Space Telescope [” Hubble 2006 mosaic 18000 ” by NASA, ESA, M. Robberto, in the Public Domain ]

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