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Messier 81 (also known as NGC 3031 or Bode's Galaxy) is a grand design spiral galaxy about 12 million light-years away in the constellation Ursa Major. It has a D 25 isophotal diameter of 29.44 kiloparsecs (96,000 light-years ).
The M81 Group is a galaxy group in the constellations Ursa Major and Camelopardalis that includes the galaxies Messier 81 and Messier 82, as well as several other galaxies with high apparent brightnesses. [1] The approximate center of the group is located at a distance of 3.6 Mpc, making it one of the nearest groups to the Local Group. [1]
Messier 82 (also known as NGC 3034, Cigar Galaxy or M82) is a starburst galaxy approximately 12 million light-years away in the constellation Ursa Major.It is the second-largest member of the M81 Group, with the D 25 isophotal diameter of 12.52 kiloparsecs (40,800 light-years).
In 1975, a time capsule with contents of that year, was buried in front of Brooks Academy in Harwich, Massachusetts. The time capsule is due to be opened 100 years from the burial date, in the capsule's centennial year of 2075. 4 July 1975 4 July 2025; 4 months' time () Seward: Nebraska
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.
NASA’s Suni Williams and Butch Wilmore will wait until 2025 to return to Earth on their newly assigned spacecraft, SpaceX’s Crew-9. Here’s what they’re doing in space. A SpaceX capsule ...
The last supernova that was unambiguously closer to Earth than SN 2014J was SN 2004dj, a type II-P supernova in the galaxy NGC 2403, 8 million light-years from Earth. SN 1993J was a type IIb supernova at almost the same distance as SN 2014J, because it was located in Messier 81 , which together with Messier 82 and NGC 3077 forms the core of the ...
The front cover of the Kansas City Star newspaper, engraved on a copper plate, is displayed on stage during the unveiling ceremony of a 100-year-old time capsule at the National WWI Museum and ...