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Born on May 28, 1930, in Chicago, Illinois, [2] Drake showed an early interest in electronics and chemistry. [3] Drake first considered the possibility of life existing on other planets as an eight-year-old, after conjecturing that if human civilization was the result of chance then civilizations might also exist elsewhere in the universe.
Source: Many other additional planets were hypothesised in fiction and speculative nonfiction from the eighteenth century onwards. Reviewed: Template:Did you know nominations/Fictional religion & Template:Did you know nominations/Drone congregation area; Comment: ALT2 and ALT3 are different phrasings of the same basic hook. I can come up with ...
Planetary habitability in the Solar System is the study that searches the possible existence of past or present extraterrestrial life in those celestial bodies. As exoplanets are too far away and can only be studied by indirect means, the celestial bodies in the Solar System allow for a much more detailed study: direct telescope observation, space probes, rovers and even human spaceflight.
The most massive planet listed on the NASA Exoplanet Archive is DENIS-P J082303.1−491201 b, [115] [116] about 29 times the mass of Jupiter, although according to most definitions of a planet, it is too massive to be a planet and may be a brown dwarf instead.
After accounting for these planets, a signal at around 2.8 days remained, which could be explained by a planet of at least 14.2 Earth masses in a very close orbit. [ 1 ] The same measurements were used to confirm the existence of the uncertain planet 55 Cancri c . 55 Cancri e was one of the first extrasolar planets with a mass comparable to ...
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This is an accepted version of this page This is the latest accepted revision, reviewed on 16 February 2025. Scientific projections regarding the far future Several terms redirect here. For other uses, see List of numbers and List of years. Artist's concept of the Earth 5–7.5 billion years from now, when the Sun has become a red giant While the future cannot be predicted with certainty ...
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