The “planet” Pluto was discovered by scientist in 1930. Even then‚ there was controversy over whether this little ball of ice should be considered a planet. It was decided it should‚ mainly because since the gravity of the eighth planet‚ Neptune‚ was found because it was tugging on the seventh planet‚ Uranus‚ and then Pluto was found when its gravity tugged on the orbit of Neptune. Pluto was just a continuation in the time-tested practice of discovering the existence of planets from the behavior
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approaches to save the world from the demise of a ginormous asteroid who is quickly coming closer to Earth and when it collides it will destroy everything in its path. We are drawn in from the very beginning because Harry’s (the main character) daughter Grace is in love with one of Harry’s workers‚ A.J. Frost. When disaster strikes and a huge comet passes through the asteroid belt to push forward space debris and larger than life asteroid‚ the size of Texas‚ NASA has eighteen days to find and train
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Sun= cantaloupe Earth = ball pen Jupiter= finger tip Pluto= dust * Today we know Solar system has: 1 star‚ 8 planets‚ 5 dwarf planets‚ 139+ moons‚ countless small solar system bodies * A major lesson from all this is that the solar system is almost entirely made of nearly empty space * All planets orbit the sun in the same direction (counter-clockwise) * Most rotate in the same direction * Venus rotates backward * Uranus rotates on its side (equator perpendicular to equator)
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metals such as gold‚ platinum‚ silver‚ and others on Mars. Thus‚ shipment from Mars to Earth would be much easier than from Earth to Mars. The proximity of the asteroid belt to Mars is much more promising. For example‚ Dactyl‚ the moon orbiting the asteroid Ida contains more iron that the human on earth has used from entire existence. These asteroids can be mined near Mars and shipped for low cost to planet. Thus Mars promises economic potential if colonized. From the above mentioned points‚ aset up of
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Governor Andres Pascual College 1045 M. Naval St.‚ San Jose‚ Navotas City 4TH QUARTERLY EXAMINATION in SCIENCE GRADE 8 S.Y. 2014 2015 Name: Date: _ Score: _______ Grade Level & Section: _ Teacher: _ Rating: ______ INSTRUCTION: On the space given before the number‚ write the letter of your choice. Read
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have been the cause of past extinctions. Professor Daniel Whitmire claims the ice planet will turn evil by hurling space rocks towards Earth. It’s 20‚000-year solar orbit will eventually pass through the Kuiper asteroid belt just beyond Pluto. When it does‚ the series of comets and asteroids could become weapons of death deflected towards Earth. Apparently‚ this isn’t the first time the murderous planet
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like a supernova. It must be far enough from planets that they do not continually divert asteroids to hit or perturb its orbit strongly. It also must not be so massive that it retains hydrogen and becomes a “gas giant”. It is an advantage for it to have a massive planet well outside its orbit‚ like Jupiter to divert potential devastating asteroids away or to make them destroy themselves (as in the asteroid belt). It must have an atmosphere like that on Earth‚ that is dominated by nitrogen and oxygen
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References: Other large Kuiper belt objects about or over 1000 km across are Pluto ’s moon Charon‚ Quaoar‚ Varuna‚ Ixion‚ 1996 TL66‚ 2002 TX300‚ 2002 TC302‚ 2002 UX25 and 2002 AW197. Ceres‚ the largest asteroid in the asteroid belt‚ is about 950 km across.
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Solar System Our solar neighborhood is an exciting place. The Solar System is full of planets‚ moons‚ asteroids‚ comets‚ minor planets‚ and many other exciting objects. Learn about Io‚ the explosive moon that orbits the planet Jupiter‚ or explore the gigantic canyons and deserts on Mars. How Did The Solar System form? This is an important question‚ and one that is difficult for scientists to understand. After all‚ the creation of our Solar System took place billions of years before there
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Review for Astronomy 2 Midterm and Final Midterm covers first 70 questions‚ Final covers all 105. MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Chapter 1 is covered by Q1-3; Ch. 2 Q4-18; Ch. 3 Q19-27; Ch. 4 Q28-34; Ch. 5 Q35-45; Ch. 6 Q46-51; Ch. 7 Q52-63; Ch. 8 Q64-70; Ch. 9 Q71-77; Ch. 10 Q78-82; Ch. 11 Q83-91; Ch. 12 Q92-96; Ch. 13 Q97-100; Ch. 14 Q101-105 1) Which of the following has your "address" in the correct order? A) you‚ Earth
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