Astronomers Will Use Spitzer in New Hubble-Constant Calculation

Credit: NASA, ESA, Q.D. WANG (UNIVERSITY OF MASSACHUSETTS) AND S. STOLOVY (CALTECH)
Massive stars embedded in the hot ionized hydrogen gas at the core of the Milky Way galaxy are visible with unprecedented resolution in this mosaic produced with data in infrared wavelengths from the Hubble and Spitzer space telescopes. Now the two orbiting observatories will team up to help cut the...

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