1. If a spacecraft was parked on Venus and needed to make a flight to Jupiter, how far would it need to travel? Show your work and provide your answer in scientific notation. Your answer: 2. Mercury, Venus, and Earth are the three planets closest to the Sun. Would their combined distance from the Sun be greater or less than the distance from the sun to Neptune? Show your work and justify your answer. Your answer: 3. If Earth was 10 times farther away from the Sun than it is now, which planet would it be closest to? Compare Earth's new distance to that planet. How far apart would they be in standard notation? How far apart in scientific notation? Show your work. Your answer: 4. The space shuttle travels at about 28,000 km per hour. Using that information, estimate how many hours it will take the shuttle to reach Saturn from Earth. Show your work. Convert your answer into scientific notation if necessary. Your answer:
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how long this question is .....
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If Planet X was out there, where would it be? This question posed by an Italian researcher turns out to be a lot more involved than you’d think. As opposed to all the 2012 idiocy hype flying around on the internet, this research is actually based on a little thing called science. By analysing the orbital precession of all the inner-Solar System planets, the researcher has been able to constrain the minimum distance a hypothetical object, from the mass of Mars to the mass of the Sun, could be located in the Solar System. As most of the astronomical community already knows, the two purveyors of doom (Planet X and the Sun’s evil twin, Nemesis) exist only in the over-active imaginations of a few misinformed individuals, not in reality…