enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Global biodiversity - Wikipedia

    en.wikipedia.org/wiki/Global_biodiversity

    The total amount of DNA base pairs on Earth, as a possible approximation of global biodiversity, is estimated at 5.0 x 10 37, and weighs 50 billion tonnes. [7] In comparison, the total mass of the biosphere has been estimated to be as much as 4 TtC (trillion tons of carbon). [8]

  3. Extinction event - Wikipedia

    en.wikipedia.org/wiki/Extinction_event

    When the Sun becomes 10% brighter in about a billion years, [192] Earth will suffer a moist greenhouse effect resulting in its oceans boiling away, while the Earth's liquid outer core cools due to the inner core's expansion and causes the Earth's magnetic field to shut down. In the absence of a magnetic field, charged particles from the Sun ...

  4. Lists of organisms by population - Wikipedia

    en.wikipedia.org/wiki/Lists_of_organisms_by...

    More recently, in May 2016, scientists reported that 1 trillion species are estimated to be on Earth currently with only one-thousandth of one percent described. [13] The total number of related DNA base pairs on Earth is estimated at 5.0 x 10 37 and weighs 50 billion tonnes. [14]

  5. 'Planet Earth' reminds us: 'There's so much left in the world ...

    www.aol.com/news/planet-earth-reminds-us-theres...

    It took the crew two days of trekking through the jungle, carrying provisions and gear, to reach Vietnam's enormous Hang Son Doong cave.

  6. Future of Earth - Wikipedia

    en.wikipedia.org/wiki/Future_of_Earth

    NOTE:only 200 years are left for earth random celestial events pose a global risk to the biosphere, which can result in mass extinctions. These include impacts by comets or asteroids and the possibility of a near-Earth supernova—a massive stellar explosion within a 100-light-year (31-parsec) radius of the Sun. Other large-scale geological ...

  7. Earth - Wikipedia

    en.wikipedia.org/wiki/Earth

    Soil is crucial for land to be arable. Earth's total arable land is 10.7% of the land surface, with 1.3% being permanent cropland. [113] [114] Earth has an estimated 16.7 million km 2 (6.4 million sq mi) of cropland and 33.5 million km 2 (12.9 million sq mi) of pastureland. [115]

  8. A SpaceX capsule just came back to Earth. Here’s why ... - AOL

    www.aol.com/spacex-capsule-coming-back-earth...

    NASA’s Suni Williams and Butch Wilmore will wait until 2025 to return to Earth on their newly assigned spacecraft, SpaceX’s Crew-9. Here’s what they’re doing in space.

  9. List of impact structures on Earth - Wikipedia

    en.wikipedia.org/wiki/List_of_impact_structures...

    The table below is arranged by the continent's percentage of the Earth's land area, and where Asian and Russian structures are grouped together per EID convention. The global distribution of known impact structures apparently shows a surprising asymmetry, [ 34 ] with the small but well-funded European continent having a large percentage of ...