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  2. Eridania quadrangle - Wikipedia

    en.wikipedia.org/wiki/Eridania_quadrangle

    Image of the Eridania Quadrangle (MC-29). The region mainly includes heavily cratered highlands. The west-central part includes Kepler Crater.. The Eridania quadrangle is one of a series of 30 quadrangle maps of Mars used by the United States Geological Survey (USGS) Astrogeology Research Program.

  3. Mare Australe quadrangle - Wikipedia

    en.wikipedia.org/wiki/Mare_Australe_quadrangle

    The Mare Australe quadrangle is one of a series of 30 quadrangle maps of Mars used by the United States Geological Survey (USGS) Astrogeology Research Program. The Mare Australe quadrangle is also referred to as MC-30 (Mars Chart-30). [1] The quadrangle covers all the area of Mars south of 65°, including the South polar ice cap, and its ...

  4. History of Mars observation - Wikipedia

    en.wikipedia.org/wiki/History_of_Mars_observation

    Earth-based telescopes equipped with charge-coupled devices can produce useful images of Mars, allowing for regular monitoring of the planet's weather during oppositions. [ 93 ] X-ray emission from Mars was first observed by astronomers in 2001 using the Chandra X-ray Observatory , and in 2003 it was shown to have two components.

  5. List of Earth observation satellites - Wikipedia

    en.wikipedia.org/wiki/List_of_Earth_observation...

    NASA Earth science satellite fleet as of September 2020, planned through 2023. Earth observation satellite missions developed by the ESA as of 2019. Earth observation satellites are Earth-orbiting spacecraft with sensors used to collect imagery and measurements of the surface of the earth. These satellites are used to monitor short-term weather ...

  6. Mars - Wikipedia

    en.wikipedia.org/wiki/Mars

    Mars is the fourth planet from the Sun.The surface of Mars is orange-red because it is covered in iron(III) oxide dust, giving it the nickname "the Red Planet". [22] [23] Mars is among the brightest objects in Earth's sky, and its high-contrast albedo features have made it a common subject for telescope viewing.

  7. Martian canals - Wikipedia

    en.wikipedia.org/wiki/Martian_canals

    A 1962 map of Mars published by the U.S. Aeronautical Chart and Information Center, showing canals snaking through the Martian landscape.At the time, the existence of the canals was still highly controversial as no close-up pictures of Mars had been taken (until Mariner 4's flyby in 1965).

  8. Here's what Earth looks like from Mars - AOL

    www.aol.com/news/2017-01-08-heres-what-earth...

    NASA released a stunning image on Friday showing our home planet as well as the moon from Mars.

  9. Mariner 4 - Wikipedia

    en.wikipedia.org/wiki/Mariner_4

    Mariner 4 (together with Mariner 3 known as Mariner-Mars 1964) was the fourth in a series of spacecraft intended for planetary exploration in a flyby mode. It was designed to conduct closeup scientific observations of Mars and to transmit these observations to Earth.