Messier 80

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1	Image: Hubble stares into the crammed center of Messier 22 Add to Reading List Source URL: phys.org Language: English - Date: 2015-05-30 01:55:17 NGC objects Local Group Spiral galaxies Messier 22 Messier 2 Milky Way Messier 71 Messier 80 Astronomy Space Globular cluster
2	Pulsating variables in the globular clusters Messier 4 and 80 L. Moln´ar1,2 , E. Plachy1,2 , R. Szab´o1 , and the KASC RR Lyrae-Cepheid WG 1 Konkoly Observatory, Hungary; 2 University of West Hungary Add to Reading List Source URL: keplerscience.arc.nasa.gov Language: English - Date: 2014-08-23 20:45:00 Variable stars Astrometry Universe Star clusters Star types RR Lyrae variable Globular cluster Cosmic distance ladder RR Lyrae Astronomy Standard candles Space