Hubble Space Telescope

An international team of astronomers using NASA's Hubble Space Telescope has devised a new method for measuring perhaps the greatest puzzle of our universe dark energy. This mysterious phenomenon, discovered in 1998, is pushing our universe apart at ever-increasing speeds. The team's results appear in the August 20, 2010 issue of the journal Science.

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		Exposure Time Calculators
		The ETCs are web-based applications that assist Hubble users in preparing Phase I and Phase II observing proposals. The ETCs calculate exposure times or SNRs for simulated astronomical observations using any of HST's primary instruments: ACS COS NICMOS STIS WFC3


		Calendar
		September 01, 2010 Cycle 18 Observing Begins


		Program Status
		Prop. ID:


		HST Observations
		A synopsis of programs scheduled for observation with HST. This Week Last Week


		Hubble Legacy Archive
		The Hubble Legacy Archive (HLA) is designed to optimize science from HST by providing online, enhanced Hubble products and advanced browsing capabilities.