[ad_1] Stand beside, Batman – your bat signal has nothing on a huge "bat-shadow" of the Hubble Space Telescope spotted in a distant gas cloud. Just in time for Halloween, the new …
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The Cosmic Mystery Deepens with Contradictory Measures of Hubble's Constant – Astronomy Now
[ad_1] Using accurate distance measurements to nearby Cepheid variable stars collected by the ESA Gaia spacecraft, astronomers using the Hubble Space Telescope were able to calibrate the brightness of Cepheids in distant …
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