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  • NASA supercomputer reveals strange spiral structure at the . . .
    As these planets began orbiting the sun, their movements kicked the excess material far beyond Pluto's orbit, where they reside today The Oort cloud's inner edge sits roughly 2,000 to 5,000
  • Terra Helps See Earth’s 3 Trillion Trees | Terra
    To get a better estimate of the actual number of trees on Earth, researchers combined data from multiple vegetation indexes, including the Enhanced Vegetation Index (EVI) from the Moderate Imaging Spectroradiometer (MODIS) onboard Terra, with actual tree counts for over 430,000 hectares from 14 different biomes on Earth (there is an estimated 4
  • Chapter 56 Conservation Biology and Global Change - Quizlet
    Erwin also projected that this entire tree is host to about 600 arthropod species unique to this tree species There are approximately 50,000 species of tropical trees Although it could not be entirely accurate, what would be the best way to estimate the total number of arthropod species? A) Estimate the species density and then multiply by
  • What would happen to Earth if humans went extinct?
    In other words, we know about sites like Tikal because humans have gone to great efforts to dig up and restore their remains Meanwhile, countless other ruins remain hidden, sealed beneath forest
  • Why hosting the World Cup can be a bad idea for some countries
    Hosting the World Cup can pose economic and social challenges for countries, outweighing potential benefits
  • Earth Is Among the Lucky 1%: The Solar System Follows the . . .
    Researchers at the Niels Bohr Institute, University of Copenhagen, have investigated more than 1000 planetary systems orbiting stars in our own galaxy, the Milky Way, and have discovered a series of connections between planetary orbits, number of planets, occurrence, and the distance to their stars
  • Can We Name Earths Species Before They Go Extinct? - Science
    The estimates of how many species are on Earth (5 ± 3 million) are now more accurate than the moderate predictions of extinction rates (0 01 to 1% per decade) The latter suggest 500 to 50,000 extinctions per decade if there are 5 million species on Earth





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