Happy 29th Anniversary to Hubble!

Each year, we celebrate the April 24, 1990, launch of the Hubble Space Telescope with a special observation. This year, for the 29th Anniversary, we wanted to highlight the combination of imaging and spectroscopy that underlies the astronomical research results. The target chosen to illustrate these ideas is the Southern Crab Nebula. This symmetric gas... Continue Reading →

Angular Resolution and What Hubble Can’t See

The crisp, stunning images from the Hubble Space Telescope are a wonder to behold. As one can see in the image comparison below, Hubble's views are significantly higher resolution than similar images obtained by ground-based observatories. Terrestrial telescopes must look through Earth's atmosphere, which blurs the view and limits their resolution. Orbiting above Earth's atmosphere,... Continue Reading →

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