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The Andromeda Galaxy is approaching the Milky Way at about 110 kilometres (68 miles) per second. [134] It has been measured approaching relative to the Sun at around 300 km/s (190 mi/s) [ 1 ] as the Sun orbits around the center of the galaxy at a speed of approximately 225 km/s (140 mi/s).
This is a list of known galaxies within 3.8 megaparsecs (12.4 million light-years) of the Solar System, in ascending order of heliocentric distance, or the distance to the Sun. This encompasses about 50 major Local Group galaxies, and some that are members of neighboring galaxy groups , the M81 Group and the Centaurus A/M83 Group , and some ...
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.
The Milky Way and Andromeda complete their merger into a giant elliptical galaxy called Milkomeda or Milkdromeda [11] 500 gal The Universe's expansion causes all galaxies beyond the Milky Way's Local Group to disappear beyond the cosmic light horizon, removing them from the observable universe [12] 2000 gal Local Group of 47 galaxies [13 ...
This article documents the most distant astronomical objects discovered and verified so far, and the time periods in which they were so classified. For comparisons with the light travel distance of the astronomical objects listed below, the age of the universe since the Big Bang is currently estimated as 13.787±0.020 Gyr. [1]
Most galaxies, including our Milky Way, contain tens of billions of stars that are readily observable. Even in nearby galaxies, such as Andromeda, which is about 2.5 million light-years away ...
Launched on Dec. 25, 2021, the Webb telescope orbits the sun about 1 million miles from Earth and gathers data to help astronomers study every phase of the history of the universe, from the Big ...
Astronomers used the James Webb Space Telescope to spot a Milky Way-like galaxy that formed soon after the big bang created the universe.