Hubble Instrument Celebrates 20 Years of Service

The Advanced Camera for Surveys (ACS) instrument celebrates twenty years of operation onboard the Hubble Space Telescope, imaging galaxies, planets, and gravitational lenses.

IMAGE: This view of nearly 10,000 galaxies is called the Hubble Ultra Deep Field. The image required 800 exposures taken over the course of 400 Hubble orbits around Earth. The total amount of exposure time was 11.3 days, taken between Sept. 24, 2003 and Jan. 16, 2004. CREDIT: NASA, ESA, and S. Beckwith (STScI) and the HUDF Team

Just because you have a few decades on you, doesn’t mean you aren’t still useful. Take the…



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Beth Johnson

Planetary scientist, podcast host. Communication specialist for SETI Institute and Planetary Science Institute. Buy me a coffee: