an asterodd had an oebait with a semi-major asis of 4 AU. How long would it take
ID: 285872 • Letter: A
Question
an asterodd had an oebait with a semi-major asis of 4 AU. How long would it take for it to orbt once around the San? 8 years n4 years D 16 years Question 22 The eening sky in February locks the same as it does in Orsober False True Question 23 When the Sun, Earth, and a planet all bhe along a straight line, the planet is at greatest elongation opposition l either opposition or conjunction quadrature Question 24 On June 21 (summer solstice) the Sun never sets at the North Pole True False Question 25 If you are lucky enough to se a total solar eclipse, you must be standing in the Sun's penumbra Moon's umbra Moon's penumbra Earth's umbra Question 26 We experience seasons because Earth is closer to the Sun in summer and farther from the Sun in the winter Earth moves with a slower speed in its orbit during summer and faster during winter One hemisphere of Earth is closer to the Sun than the other hemisphere during the summes DEarth's equator is tilted relative to the plane of the solar system Question 27 At a latitude of -50°, how far above the horizon is the north celestial pole locnted? It is not visible at that latitude Question 28 Albert Einstein is best known for his revolutionary theory of quantum mechanics electricity mathematics relativityExplanation / Answer
21) A
For calculating we had a formula
p2 = a3
Given a=4
so the answer is 8 years
23) C
Either opposition or conjunction
24) true
A 24 hour to 20-hour daytime which varies per the proximity to the pole, for an extended time period, that essentially means that for weeks and months altogether it is bright and sunny! These places obviously have a specific geographical location, close to the poles of the earth. This phenomenon occurs because the Earth is tilted on its axis by approximately 23 degrees. At the poles, the North Pole and the South Pole, this means that the sun only rises and sets once each year.
These phenomena are observed more near the North Pole, the Arctic Circle, owing to it having human settlements. And even though they also occur in southern regions near the Antarctic Circle, owing to it being an uninhabited continent, it is only ever experienced by scientist missions or the odd adventurer. The maximum timelines for this phenomenon are: At the South Pole, the sun rises on September 21 and does not set until March 22, the following year. At the North Pole, the sun rises on March 22 and sets on September 21, the same year
25) B
umbra a region of complete shadow resulting from the total obstruction of light by an opaque object, esp the shadow cast by the moon onto the earth during a solar eclipse
26) A
Earth is closer to sun in summer and farther to sun in winter
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