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But this scenario leads to cigar-shaped objects, whereas ʻOumuamua's lightcurve favors a disc-like shape. [11] In May 2020, it was proposed that the object was the first observed member of a class of small H 2-ice-rich bodies that form at temperatures near 3 K in the cores of giant molecular clouds.
This is an accepted version of this page This is the latest accepted revision, reviewed on 2 December 2024. Alleged Earth satellite of extraterrestrial origin For the British rocket program, see Black Knight (rocket). 1998 NASA photo of space debris, an object believed by some conspiracy theorists to be an extraterrestrial satellite, the Black Knight GIF of the six images taken of the space ...
Scientists found an unknown object emitting microwaves near the Milky Way’s center. The object's unique characteristics don't fit known celestial categories.
Conspiracy debunker Mick West, author of Escaping the Rabbit Hole, theorizes that it’s not the object in the gimbal video that’s doing the moving but the camera that captured the image ...
Unidentified flying objects have been reported by astronauts while in space. These sightings have been claimed as evidence for extraterrestrial life by ufologists.. Some of the alleged sightings never occurred: science fiction writer Otto Binder perpetuated a hoax claiming Apollo 11 Commander Neil Armstrong had encountered UFOs during the Apollo mission. [1]
Initially, Curtin University doctoral student Tyrone O’Doherty spotted a spinning celestial space object in March 2018. The unfamiliar object released giant bursts of energy and beamed out ...
Various unknown astronomical objects have been hypothesized throughout recorded history. For example, in the 5th century BCE, the philosopher Philolaus defined a hypothetical astronomical object which he called the " Central Fire ", around which he proposed other celestial bodies (including the Sun) moved.
A hypothetical Solar System object is a planet, natural satellite, subsatellite or similar body in the Solar System whose existence is not known, but has been inferred from observational scientific evidence. Over the years a number of hypothetical planets have been proposed, and many have been disproved.