STIS or ACS?

STIS or ACS?

STIS or ACS?

Bad Astronomy
The entire universe in blog form
April 27 2007 11:21 AM

STIS or ACS?

The AstroDyke asks an interesting question: if NASA only has funds in the next Hubble servicing mission to repair either STIS or ACS, which should it be?

My vote should be obvious: I worked on STIS for 5 years. But it's not just loyalty: Hubble lacks a good UV camera right now, and cannot take decent spectra at all in the optical or UV. ACS is a fantastic machine, but I think (I need to do more research, admittedly) that WF3 will cover a lot of the same ground sky.

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