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- According to Johannes Kepler’s third law, the above planet must be: closer to the sun than the Earth is (in miles), and with a longer orbital period (in Earth years) farther from the sun than the Earth is (in miles), and with a longer orbital period (in Earth years) closer to the sun than the Earth is (in miles), and with a shorter orbital period (in Earth years) farther from the sun than the Earth is (in miles), and with a shorter orbital period (in Earth years) none of the aboveIf it takes 8 minutes for light from the sun to reach earth ,it will take approximately 240.4 minutes for light to reach the planet:Define orbit
- Eratosthenes of Cyrene measured a solar shadow at about 7.2o from the perpendicular in a well at Alexandria, Egypt, but no solar shadow (0o from the perpendicular) in a well at Syene, Egypt, 490 miles to the south, at midday on the summer solstice. From these measurements, he was able to calculate: that the circumference of the Earth is about 73,500 miles that the circumference of the Earth is about 61,250 miles that the circumference of the Earth is about 49,000 miles that the circumference of the Earth is about 36,750 miles E. that the circumference of the Earth is about 24,500 milesThe picture below shows the position of Earth and two stars. Star 1 is 18 light years from Star 2 and 34 light years from Earth. If Star 2 explodes as a supernova, in how many years would the explosion be seen from Earth? (3 points) Group of answer choices 18 34 70 52Apparent Brightness (rank; Earth (light years) 1 brightest, 8 = dimmest) Distance from Name of Star Sun Sirius 2 8.6 Canopus 309 3 Arcturus 36.7 4 Rigel Vega Alpha Centauri 773 25.3 6 4.3 7. Bernard's Star 5.9 8
- What does not orbit the sunUsing the Pythagorean theorem, either with or without the formula proposed by Archimedes (or by Heron), calculate the area of a scalene triangle with sides of 20 meters, 21 meters, and 29 meters. 580 square meters 420 square meters 240 square meters 210 square meters 120 square metersLong-wave solar radiation is more energetic than short-wave solar radiation. True False
- Partial 0.75 /1 pts Question 8 Where is carbon stored on Earth? Check all that apply. rocks and sediments fossil fuels atmosphere V living organismsAnalyze and Evaluate (a) (i) What were the independent, dependent, and controlled variables in this investigation? (ii) What type of relationship was being tested? IUsing the Pythagorean theorem, either with or without the formula proposed by Archimedes, calculate the area of a right triangle with sides of 7 meters, 24 meters, and 25 meters. 168 square meters 84 square meters 75 square meters 56 square meters 50 square meters