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2. Hubble's law - Wikipedia

   en.wikipedia.org/wiki/Hubble's_law

   Combination of HST photometry and Gaia EDR3 parallaxes for Milky Way Cepheids, reducing the uncertainty in calibration of Cepheid luminosities to 1.0%. Overall uncertainty in the value for H 0 is 1.8%, which is expected to be reduced to 1.3% with a larger sample of type Ia supernovae in galaxies that are known Cepheid hosts.

3. Starfield (video game) - Wikipedia

   en.wikipedia.org/wiki/Starfield_(video_game)

   The game features an open world in the form of an area within the Milky Way galaxy, containing both fictional and non-fictional planetary systems. Starfield takes place in a space-themed setting, and is the first new intellectual property developed by Bethesda in 25 years. [3]

4. Galactic year - Wikipedia

   en.wikipedia.org/wiki/Galactic_year

   Galactic year. The galactic year, also known as a cosmic year, is the duration of time required for the Sun to orbit once around the center of the Milky Way Galaxy. [1] One galactic year is approximately 225 million Earth years. [2] The Solar System is traveling at an average speed of 230 km/s (828,000 km/h) or 143 mi/s (514,000 mph) within its ...

5. Andromeda–Milky Way collision - Wikipedia

   en.wikipedia.org/wiki/Andromeda–Milky_Way...

   The Andromeda–Milky Way collision is a galactic collision predicted to occur in about 4.5 billion years between the two largest galaxies in the Local Group—the Milky Way (which contains the Solar System and Earth) and the Andromeda Galaxy.

6. Milky Way - Wikipedia

   en.wikipedia.org/wiki/Milky_Way

   The Milky Way [c] is the galaxy that includes the Solar System, with the name describing the galaxy's appearance from Earth: a hazy band of light seen in the night sky formed from stars that cannot be individually distinguished by the naked eye.

7. Satellite galaxies of the Milky Way - Wikipedia

   en.wikipedia.org/wiki/Satellite_galaxies_of_the...

   The Milky Way has several smaller galaxies gravitationally bound to it, as part of the Milky Way subgroup, which is part of the local galaxy cluster, the Local Group.. There are 61 small galaxies confirmed to be within 420 kiloparsecs (1.4 million light-years) of the Milky Way, but not all of them are necessarily in orbit, and some may themselves be in orbit of other satellite galaxies.

8. Kardashev scale - Wikipedia

   en.wikipedia.org/wiki/Kardashev_scale

   Download QR code; Wikidata item; ... estimated number of stars in the Milky Way) in 5,800 years. Based on this observation, and considering that there is no reason to ...

9. Large Magellanic Cloud - Wikipedia

   en.wikipedia.org/wiki/Large_Magellanic_Cloud

   The Large Magellanic Cloud (LMC) is a dwarf galaxy and satellite galaxy of the Milky Way. At a distance of around 50 kiloparsecs (163,000 light-years), the LMC is the second- or third-closest galaxy to the Milky Way, after the Sagittarius Dwarf Spheroidal (c. 16 kiloparsecs (52,000 light-years) away) and the possible dwarf irregular galaxy called the Canis Major Overdensity.