The Hubble Space Telescope here is like a giant digital camera.

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Presentation transcript:

The Hubble Space Telescope here is like a giant digital camera. use a digital camera as a demo NASA/crew of STS-125

use a digital camera as a demo a million second exposure (278 hours, nearly two weeks) on a portion of the sky just one tenth of a moon diameter across NASA/Hubble Heritage Team STScI/AURA NASA/ESA/Hubble Heritage (STScI/AURA)

The Hubble Ultra Deep Field images all the large and medium-sized galaxies that exist in this part of the universe. NASA/Hubble Heritage Team STScI/AURA NASA/ESA/Hubble Heritage (STScI/AURA)

Over 10,000 galaxies are visible in the HUDF. That works out to over 200 billion medium- and large-sized galaxies in the observable universe. Dwarf galaxies are a hundred times as numerous. NASA/Hubble Heritage Team STScI/AURA NASA/ESA/Hubble Heritage (STScI/AURA)

NASA/ESA/Hubble Heritage (STScI/AURA) This is 1 of 151 globular clusters in our Milky Way Galaxy. Its on the small side containing just 100,000 stars. credit: NASA, ESA, /Hubble Heritage (STScI/AURA) acknowledgment: C. Bally and W. van Altena (Yale), W. Lewin (MIT), A. Sarajedini (U. of Florida) NASA/ESA/Hubble Heritage (STScI/AURA)

This one is on the large side. It contains 10,000,000 stars. NASA/ESA/Hubble Heritage (STScI/AURA) NASA/ESA/Hubble Heritage Team (STSiI/AURA)