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  2. History of Earth - Wikipedia

    en.wikipedia.org/wiki/History_of_Earth

    Earth formed around 4.54 billion years ago, approximately one-third the age of the universe, by accretion from the solar nebula. [4] [5] [6] Volcanic outgassing probably created the primordial atmosphere and then the ocean, but the early atmosphere contained almost no oxygen.

  3. 2021 Fukushima earthquake - Wikipedia

    en.wikipedia.org/wiki/2021_Fukushima_earthquake

    2021 Fukushima earthquake. / 37.720; 141.762. Multiple. The largest is an Mw 6.0. An intense and deadly seismic event struck offshore east of Tōhoku, Japan. The M JMA 7.3 or M w 7.1 earthquake occurred on a Saturday night at 23:07 JST (14:07 UTC) on 13 February at a focal depth of 44.0 kilometers (27.3 mi). [6]

  4. Artemis 1 - Wikipedia

    en.wikipedia.org/wiki/Artemis_1

    Artemis 1, officially Artemis I [10] and formerly Exploration Mission-1 ( EM-1 ), [11] was an uncrewed Moon-orbiting mission. As the first major spaceflight of NASA 's Artemis program, Artemis 1 marked the agency's return to lunar exploration after the conclusion of the Apollo program five decades earlier. It was the first integrated flight ...

  5. Geologic time scale - Wikipedia

    en.wikipedia.org/wiki/Geologic_time_scale

    The geologic time scale is a way of representing deep time based on events that have occurred throughout Earth's history, a time span of about 4.54 ± 0.05 Ga (4.54 billion years). [5] It chronologically organises strata, and subsequently time, by observing fundamental changes in stratigraphy that correspond to major geological or ...

  6. Voyager 1 - Wikipedia

    en.wikipedia.org/wiki/Voyager_1

    Voyager 1 is a space probe launched by NASA on September 5, 1977, as part of the Voyager program to study the outer Solar System and the interstellar space beyond the Sun's heliosphere. It was launched 16 days after its twin, Voyager 2.

  7. Earth Day - Wikipedia

    en.wikipedia.org/wiki/Earth_Day

    Annual. Earth Day is an annual event on April 22 to demonstrate support for environmental protection. First held on April 22, 1970, it now includes a wide range of events coordinated globally by EARTHDAY.ORG (formerly Earth Day Network) [1] including 1 billion people in more than 193 countries. [2] [1] [3]

  8. List of earthquakes in 2021 - Wikipedia

    en.wikipedia.org/wiki/List_of_earthquakes_in_2021

    5.0–5.9. 2,046. 4.0–4.9. 14,643. ← 2020. 2022 →. This is a list of earthquakes in 2021. Only earthquakes of magnitude 6 or above are included, unless they result in damage and/or casualties, or are notable for some other reason. All dates are listed according to UTC time.

  9. Future of Earth - Wikipedia

    en.wikipedia.org/wiki/Future_of_Earth

    The biological and geological future of Earth can be extrapolated based on the estimated effects of several long-term influences. These include the chemistry at Earth's surface, the cooling rate of the planet's interior, the gravitational interactions with other objects in the Solar System, and a steady increase in the Sun's luminosity.