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  2. Timeline of space exploration - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_space_exploration

    Venera 1: 6 August 1961: First crewed space flight lasting over twenty four hours by Gherman Titov, who is also the first to suffer from space sickness. USSR Vostok 2: 7 March 1962: First orbital solar observatory. USA (NASA) OSO-1: 26 April 1962: First spacecraft to impact the far side of the Moon. USA (NASA) Ranger 4 [14] 11 August 1962

  3. Space exploration - Wikipedia

    en.wikipedia.org/wiki/Space_exploration

    Space exploration also gives scientists the ability to perform experiments in other settings and expand humanity's knowledge. [67] Another claim is that space exploration is a necessity to humankind and that staying on Earth will eventually lead to extinction. Some of the reasons are lack of natural resources, comets, nuclear war, and worldwide ...

  4. Timeline of Solar System exploration - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_Solar_System...

    This is a timeline of Solar System exploration ordering events in the exploration of the Solar System by date of spacecraft launch. It includes: It includes: All spacecraft that have left Earth orbit for the purposes of Solar System exploration (or were launched with that intention but failed), including lunar probes .

  5. Space Age - Wikipedia

    en.wikipedia.org/wiki/Space_Age

    The Space Age is a period encompassing the activities related to the space race, space exploration, space technology, and the cultural developments influenced by these events, beginning with the launch of Sputnik 1 on October 4, 1957, [1] and continuing to the present.

  6. 1951 in spaceflight - Wikipedia

    en.wikipedia.org/wiki/1951_in_spaceflight

    [5]: 275–6 One of them was the R-5 missile, able to carry the same payload as the R-1 and R-2 but over a distance of 1,200 kilometres (750 mi) [5]: 242 (the other being the R-11, a tactical missile half the size of the R-1 but with the same payload). [16] The R-5's conceptual design was completed by 30 October 1951. [17]: 97

  7. Timeline of spaceflight - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_spaceflight

    The list for the year 2025 and for its subsequent years may contain planned launches, but the statistics will only include past launches. For the purpose of these lists, a spaceflight is defined as any flight that crosses the Kármán line, the FAI-recognized edge of space, which is 100 kilometres (62 miles) above mean sea level (AMSL). [1]

  8. Pale Blue Dot (book) - Wikipedia

    en.wikipedia.org/wiki/Pale_Blue_Dot_(book)

    It is the sequel to Sagan's 1980 book Cosmos and was inspired by the famous 1990 Pale Blue Dot photograph, for which Sagan provides a poignant description. In the book, Sagan mixes philosophy about the human place in the universe with a description of the current knowledge about the Solar System. He also details a human vision for the future. [1]

  9. Explorers Program - Wikipedia

    en.wikipedia.org/wiki/Explorers_Program

    The Explorers program [1] is a NASA exploration program that provides flight opportunities for physics, geophysics, heliophysics, and astrophysics investigations from space. Launched in 1958, Explorer 1 was the first spacecraft of the United States to achieve orbit. Over 90 space missions have been launched since.