Impacts from Space and Mass Extinction Events A. Understand the concept of a biosphere and Earth System Science and that the biosphere has evolved over time. -Mass extinction: a crisis that affects life right across the planet from the deepest oceans to the highest mountains -Biosphere: all life on Earth is a part of the biosphere‚ a thin layer of life that exists on the surface of the planet and that interacts with the hydrosphere (oceans‚ lakes‚ and rivers)‚ the atmosphere‚ and the lithosphere
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Meteorites Meteorites are small extraterrestrial bodies that reach the Earth ’s surface. They are small asteroids‚ approximately boulder-sized or less. While still in space these bodies are called meteoroids. When they enter the Earth ’s atmosphere‚ but before reaching the surface‚ they are called meteors. Seventy nine percent of meteorites are chondrites. Chondrites are balls of mafic minerals with small grain size indicative of rapid cooling. In most chondrites small spherules‚ called chondrules
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What must have happened? Saturn must have lost a tiny bit of its orbital energy. Suppose that a lone asteroid happens to be passing Jupiter on a unbound orbit ( well above Jupiter’s atmosphere and far from all of Jupiter moons.) Which of the following statements would be true? The asteroid orbit around Jupiter would not change‚ and it would go out on the same unbound orbit that it came in on. Which of the following best describes the origin
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The Universe and Our Galaxies The Universe and Our Galaxies Examples of Elliptical (Messier 87 ) and Spiral Galaxies (NGC 3559) Examples of Elliptical (Messier 87 ) and Spiral Galaxies (NGC 3559) Edwin Hubble was one of the first people to actually realise what a galaxy is‚ the measurement of the “Hubble Tuning Fork” Classification scheme shows how round or rightly wound their “arms” are. E0 means that an elliptical galaxy is extremely round‚ whilst E7 is flat. However not all galaxies
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gravity assist Zipping by Jupiter Plans for Pluto Beyond Pluto Exploring the Kuiper Belt Current Status Introduction New Horizons is a NASA New Frontiers mission managed by the Johns Hopkins University Applied Physics Laboratory. Launched on January 19‚ 2006‚ the New Horizons spacecraft is due to pass Jupiter on February 28‚ 2007‚ en route to photographing and examining Pluto and other objects in the Kuiper Belt. Currently traveling at over 51‚000 miles per hour‚ New Horizons was the fastest spacecraft
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Former Vice President Al Gore is starring in a new movie called “An Inconvenient Truth.” It is a documentary about global warming. This is a subject that Mister Gore has been interested in for many years.For the past six years‚ Mister Gore has been traveling around the country and the world giving talks about global warming. He has given the talks more than one thousand times. Most of “An Inconvenient Truth” is filmed at these events. Mister Gore speaks to groups of people with a big screen behind
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Asteroids orbiting the inner belt have been found to hold tons of materials that are very valuable‚ which could help incite the process of space exploration. One asteroid in particular‚ 2011 UW158‚ was filled with 90 million tons of platinum‚ which recently passed by earth last July. (“Platinum Asteroid”‚ 2015). Some space mining corporations have already come into effect and are currently working on
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the need to punish and there was nothing anybody could do. He had vowed to himself to fight anything that was a threat towards his plans to destroy the ship that could have saved him. While floating‚ into an asteroid belt‚ he was saved by the Scientific People of the Sargasso Asteroid. A tiny planet that was built by man. Primarily made of rock and two hundred years of salvaged ships. The tiny planet had made a new addition to their planet and population. It’s rather ironic that of all
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only the rocky worlds of the inner Solar System and the gas giants of the outer system will be “named”as “planets”. The “inner Solar System” is the region of space that is smaller than the radius of Jupiter’s orbit around the sun. It contains the asteroid belt as well as the terrestrial planets‚ Mercury‚ Venus‚ Earth‚ and Mars. The “gas giants” of course are Jupiter‚ Saturn‚ Neptune‚ and Uranus. So now we have eight planets instead of the nine we used to have. Pluto is made up mostly of ice and rock
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Earth Science Vocab Unit 4 Celestial Objects-A natural object which is located outside of Earth’s atmosphere‚ such as the Moon‚ the Sun‚ an asteroid‚ planet‚ or a star. Arc- a continuous portion of a circle Constellation-A group of stars forming a recognizable pattern that is traditionally named after its apparent form or identified with a mythological figure. Apparent daily motion- Objects in the sky appear to rise in the East and set in the West each day. This apparent daily motion
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