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  2. Life on Mars - Wikipedia

    en.wikipedia.org/wiki/Life_on_Mars

    At least two-thirds of Mars' surface is more than 3.5 billion years old, and it could have been habitable 4.48 billion years ago, 500 million years before the earliest known Earth lifeforms; [4] Mars may thus hold the best record of the prebiotic conditions leading to life, even if life does not or has never existed there. [5] [6]

  3. History of Mars observation - Wikipedia

    en.wikipedia.org/wiki/History_of_Mars_observation

    The Hubble Space Telescope (HST) has been used to perform systematic studies of Mars [91] and has taken the highest resolution images of Mars ever captured from Earth. [92] This telescope can produce useful images of the planet when it is at an angular distance of at least 50° from the Sun.

  4. Timeline of discovery of Solar System planets and their moons

    en.wikipedia.org/wiki/Timeline_of_discovery_of...

    The timeline of discovery of Solar System planets and their natural satellites charts the progress of the discovery of new bodies over history. Each object is listed in chronological order of its discovery (multiple dates occur when the moments of imaging, observation, and publication differ), identified through its various designations (including temporary and permanent schemes), and the ...

  5. Remembering NASA's Viking 1 and the first images from Mars - AOL

    www.aol.com/news/2014-08-20-viking-1-and-the...

    By Eric Sandler On August 20, 1975 -- 39 years ago today -- NASA launched the first of two spacecraft as a part of their new Viking program and the images they captured back in the '70s and '80s ...

  6. The unlikely story of the first photo of Mars ever seen on TV

    www.aol.com/unlikely-story-first-photo-mars...

    When Mariner 4 flew by Mars on July 15, 1965, it captured the first images of another planet from space. But the first image of Mars ever seen on TV was different than expected.

  7. Timeline of space exploration - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_space_exploration

    First mission to survey the space environment above and below the poles of the Sun. USA (NASA) ESA Ulysses [43] 13 September 1992: First spacecraft to map Venus in its entirety. USA (NASA) Magellan [44] 22 March 1995: Record longest duration spaceflight to date (437.7 day by Valeri Polyakov). Russia Mir: July 1995

  8. Timeline of artificial satellites and space probes - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_artificial...

    Mars Success: First deep space photographs of another planet and first flyby of Mars December 15 Italy: San Marco 1: Scout X-4: Earth Success: First Italian satellite (on American rocket) 1965 February 2 US: Ranger 8: Atlas-Agena: Moon Success: Lunar impactor. Returned pictures until impact. February 20 US: Ranger 9: Atlas-Agena: Moon Success ...

  9. List of Mars orbiters - Wikipedia

    en.wikipedia.org/wiki/List_of_Mars_orbiters

    The orbiter reached Mars orbit on September 24, 2014. Through this mission, ISRO became the first space agency to succeed in its first attempt at a Mars orbiter. The mission is the first successful Asian interplanetary mission. [6] Ten days after ISRO's launch, NASA launched their seventh Mars orbiter MAVEN to study the Martian atmosphere.