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  2. Unidentified flying object - Wikipedia

    en.wikipedia.org/wiki/Unidentified_flying_object

    Another effect of the flying saucer type of UFO sightings has been Earth-made flying saucer craft in space fiction, for example the United Planets Cruiser C57D in Forbidden Planet (1956), the Jupiter 2 in Lost in Space, and the saucer section of the USS Enterprise in Star Trek. UFOs and extraterrestrials have been featured in many movies.

  3. Pluto - Wikipedia

    en.wikipedia.org/wiki/Pluto

    Pluto (bottom left) compared in size to the Earth and the Moon. Pluto's diameter is 2 376.6 ± 3.2 km [5] and its mass is (1.303 ± 0.003) × 10 22 kg, 17.7% that of the Moon (0.22% that of Earth). [125] Its surface area is 1.774 443 × 10 7 km 2, or just slightly bigger than Russia or Antarctica (particularly including the Antarctic sea ice ...

  4. KH-9 Hexagon - Wikipedia

    en.wikipedia.org/wiki/KH-9_Hexagon

    KH-9 HEXAGON. KH-9 (BYEMAN codename HEXAGON), commonly known as Big Bird or KeyHole-9, [1] was a series of photographic reconnaissance satellites launched by the United States between 1971 and 1986. Of twenty launch attempts by the National Reconnaissance Office, all but one were successful. [2] Photographic film aboard the KH-9 was stored on ...

  5. Transit of Venus - Wikipedia

    en.wikipedia.org/wiki/Transit_of_Venus

    Sometimes Venus only grazes the Sun during a transit. In this case it is possible that in some areas of the Earth a full transit can be seen while in other regions there is only a partial transit (no second or third contact). The last transit of this type was on 6 December 1631, and the next such transit will occur on 13 December 2611.

  6. Venera - Wikipedia

    en.wikipedia.org/wiki/Venera

    Escape stage exploded during Trans-Venus injection; Some pieces re-entered and others remained in Earth orbit — — Venera 9: 4V-1 No. 660: Orbiter and Lander: 8 June 1975: 22 October 1975: 53: Sent back the first (black and white) images of Venus' surface. Landed within a 150-kilometre (93 mi) radius of 31.01° N, 291.64° E.

  7. Pentagon UFO videos - Wikipedia

    en.wikipedia.org/wiki/Pentagon_UFO_videos

    Pentagon UFO videos. The Pentagon UFO videos are selected visual recordings of Forward-looking infrared (FLIR) targeting from United States Navy fighter jets based aboard aircraft carriers USS Nimitz and USS Theodore Roosevelt in 2004, 2014 and 2015, with additional footage taken by other Navy personnel in 2019.

  8. 524522 Zoozve - Wikipedia

    en.wikipedia.org/wiki/524522_Zoozve

    20.5 [2][3] 20.59 ± 0.02[4] 524522 Zoozve (provisional designation 2002 VE68) is a sub-kilometer sized asteroid and temporary quasi-satellite of Venus. [5] Discovered in 2002, it was the first such object to be discovered around a major planet in the Solar System. It has nearly the same orbital period around the Sun that Venus does.

  9. UFO conspiracy theories - Wikipedia

    en.wikipedia.org/wiki/UFO_conspiracy_theories

    In the early 2000s, the concept of "disclosure" became increasingly popular in the UFO conspiracy community: that the government had classified and withheld information on alien contact and full disclosure was needed, and was pursued by activist lobbying groups. In 1993, Steven M. Greer founded the Disclosure Project to promote the concept.