[DOC] [TLE] Milky Way - Wikipedia [PAR] The Milky Way is the galaxy that contains our Solar System. Its name "milky" is 
derived from its .... The total mass of all the stars in the Milky Way is estimated to 
be between ... 11 billion of these estimated planets may be orbiting Sun-like stars
. ..... a binary system of giant spiral galaxies belonging to a group of 50 closely 
bound... [DOC] [TLE] Free Flashcards about ASTRONOMY - StudyStack [PAR] HUBBLE STUDIES INDICATE THAT THESE STAR SYSTEMS, LIKE THE MILKY 
WAY, MAY TOTAL 50 BILLION, GALAXIES. TYCHO, ONE OF THESE ON THE... [DOC] [TLE] Hubble Finds Planet Orbiting Pair of Stars | NASA [PAR] Sep 22, 2016 ... Astronomers using NASA's Hubble Space Telescope, and a trick of nature, ... 
stars, but these are all much closer to their stars than the one studied by Hubble. 
..... Most stars in our Milky Way galaxy are members of binary systems. .... One of 
TESS' main science goals is to identify 50 rocky worlds, like Earth... [DOC] [TLE] Hubble Sees a Galaxy on the Edge | NASA [PAR] The remains of this former companion may then have settled within NGC 4762's 
.... This led to an estimate that the observable universe contained about 200 
billion galaxies. .... Most stars in our Milky Way galaxy are members of binary 
systems. .... The cluster is also being studied by NASA's Hubble Space 
Telescope and... [DOC] [TLE] Hubble's Dark Matter Map | NASA [PAR] Nov 12, 2010 ... Abell 1689 resides 2.2 billion light-years from Earth. ... Hubble Views a Colorful 
Demise of a Sun-like Star ... Our Milky Way Galaxy is littered with these stellar 
relics, called planetary ... orbiting double-star systems, Hubble could provide an 
essential role in ..... A total of 72 large cluster collisions were studied. [DOC] [TLE] Hubble Views a Galaxy on Edge | NASA [PAR] This is only a small fraction of the several billion stars that this galaxy contains, 
but .... Astronomers suspect that spiral galaxies like NGC 24 and the Milky Way 
are surrounded ... The cluster is also being studied by NASA's Hubble Space 
Telescope and .... These Hubble images may be snapshots of what present-day 
dwarf... [DOC] [TLE] Hubble Sweeps Scattered Stars in Sagittarius | NASA [PAR] Jun 17, 2016 ... This colorful and star-studded view of the Milky Way galaxy was captured when ... 
Shades of red indicate a star much cooler than the sun, so either at the end of its 
.... "In many of these systems, the gravitational attraction can cause the ... Dwarf 
galaxies like NGC 5264 typically possess around a billion stars... [DOC] [TLE] Astronomers Discover Dizzying Spin of the Milky Way Galaxy's Halo ... [PAR] Jul 25, 2016 ... Milky Way surrounded by million-degree gas halo seen in blue .... usual swarm of 
stars and H II regions that spans almost a third of the galaxy's total length. ... 
Astronomers suspect that spiral galaxies like NGC 24 and the Milky Way are ..... 
These Hubble images may be snapshots of what present-day dwarf... [DOC] [TLE] HubbleSite - Reference Desk - FAQs - Hubble Space Telescope [PAR] The Earth is the third planet from the sun in our solar system of nine planets. ... 
Five billion years from now it will probably collide with our Milky Way galaxy. ... In 
a spiral galaxy like the Milky Way, the stars, gas, and dust are organized into a "
bulge," a "disk" ... The Milky Way's halo may be over 130,000 light years across. [DOC] [TLE] galaxy | astronomy | Britannica.com [PAR] Apr 13, 2016 ... Any of the systems of stars and interstellar matter that make up the universe. ... 
universe to look somewhat like a network of sheets and chains of galaxies. ... For 
further details on the Milky Way Galaxy, see Milky Way Galaxy. .... Hubble 
eventually studied 63 of these stars, and his findings proved to be one of... [DOC] [TLE] HubbleSite - NewsCenter - Hubble Identifies Primeval Galaxies ... [PAR] Dec 6, 1994 ... Hubble Identifies Primeval Galaxies, Uncovers New Clues to the Universe's

Question: Hubble studies indicate that these star systems, like the Milky Way, may total 50 billion
Answer: Galaxies