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Full list of words from this list:

words only definitions & notes
  1. magma
    molten rock in the earth's crust
    Magma (molten rock) boils up and breaks through Io's outer layer, or crust, in volcanic eruptions.
  2. hot spot
    a place of political unrest and potential violence
    New Horizons also recorded another 36 hot spots where magma simmers just beneath Io's surface.
  3. eruption
    the sudden occurrence of a violent discharge
    Picture a volcanic eruption so big that it spews a fountain of lava 350 kilometers (220 miles) high--40 times the height of Mount Everest.
  4. volcano
    a fissure in the earth's crust through which gases erupt
    That's what astronomers saw recently when NASA's New Horizons space probe snapped photos of the volcano Tvashtar on Jupiter's fiery moon Io.
  5. solar system
    the sun with the celestial bodies that revolve around it
    Io is the most volcanically active body in the solar system.
  6. volcanic
    relating to eruptions of gas and lava from the earth's crust
    Picture a volcanic eruption so big that it spews a fountain of lava 350 kilometers (220 miles) high--40 times the height of Mount Everest.
  7. molten
    reduced to liquid form by heating
    Magma (molten rock) boils up and breaks through Io's outer layer, or crust, in volcanic eruptions.
  8. astronomer
    a physicist who studies celestial bodies and the universe
    That's what astronomers saw recently when NASA's New Horizons space probe snapped photos of the volcano Tvashtar on Jupiter's fiery moon Io.
  9. NASA
    an independent agency of the United States government responsible for aviation and spaceflight
    That's what astronomers saw recently when NASA's New Horizons space probe snapped photos of the volcano Tvashtar on Jupiter's fiery moon Io.
  10. lava
    rock that in its molten form issues from volcanos
    Picture a volcanic eruption so big that it spews a fountain of lava 350 kilometers (220 miles) high--40 times the height of Mount Everest.
  11. solar
    relating to the sun or utilizing the energies of the sun
    Io is the most volcanically active body in the solar system.
Created on 十月 30, 2012

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