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This is a list of people claimed to be immortal. This list does not reference purely spiritual entities (spirits, gods, demons, angels), non-humans (monsters, aliens, elves), or artificial life (artificial intelligence, robots). This list comprises people claimed to achieve a deathless existence on Earth.
Tod R. Lauer (1957–) catalogued massive black holes at galaxy centers and correlated their mass with other properties of the galaxies' structures; Georges Henri Lemaître (1894–1966) proposed the big bang theory and the distance-redshift relation; Janna Levin (1967–) seeks evidence for a bounded universe of nontrivial topology
Size (left) and distance (right) of a few well-known galaxies put to scale. There are an estimated 100 billion galaxies in all of the observable universe. [1] On the order of 100,000 galaxies make up the Local Supercluster, and about 51 galaxies are in the Local Group (see list of nearest galaxies for a complete list).
The following is a list of astronomers, astrophysicists and other notable people who have made contributions to the field of astronomy.They may have won major prizes or awards, developed or invented widely used techniques or technologies within astronomy, or are directors of major observatories or heads of space-based telescope projects.
This is a list of alleged extraterrestrial beings that have been reported in close encounters, claimed or speculated to be associated with unidentified flying objects (UFOs) (not to be confused with the meaning of the term "alien species" in the biological science of ecology).
The highest number of people at the same time on one space station has been 13, first achieved with the eleven day docking to the ISS of the 127th Space Shuttle mission in 2009. The record for most people on all space stations at the same time has been 17, first on May 30, 2023, with 11 people on the ISS and 6 on the TSS. [2]
This phenomenon is now called Raman scattering and is the result of the Raman effect. [422] [423] Lisa Randall (born 1962): American theoretical physicist and a student of particle physics and cosmology. She works on several of the competing models of string theory in the quest to explain the fabric of
The majority of people who have flown into space have done so by entering Earth orbit. This list includes people meeting all three criteria, in separate subdivisions. The flags indicate the space traveler's nationality at the time of their flight. In cases of dual citizenship, the space traveler is listed under their primary residence.