Eventually our sun will become a red giant. Explain what this means. What would happen to Earth and
our universe if this were to happen? What will be an ideal response?
ANS:Answer
should include:
? A red giant refers to the stage when a star begins to swell after its energy output
increases. The path to becoming a red giant starts with a star consuming carbon and
oxygen. This marks the death of a star.
? If the red giant is large enough, it can become a supernova.
? Eventually, our sun will become a red giant. It will engulf the inner planets of the
universe, including Earth.
? The materials that shatter into space will be recycled in the universe.
? The sun's explosion could trigger a new solar system. Accretion is likely to start, and the
creation of new planets could occur
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Which of the three latitudes would receive the highest insolation on 6/22?
If the angle of incidence (based on the solar altitude at noon) were the only factor influencing average daily insolation at the surface.
What will be an ideal response?
There are more Muslims in Indonesia and Pakistan than in all the Arab countries combined
Indicate whether the statement is true or false.
Which of the following is incorrect regarding the subpolar low-pressure cells?
A) They are known as the Aleutian and Icelandic lows. B) They develop more strongly over the ocean than over land. C) In the Northern Hemisphere, they are generally stronger in summer than in winter. D) They are associated with the polar front.
Which vegetation type found in the Russian Federation represents a cold-resistant, coniferous forest?
A) steppe B) tundra C) taiga D) volga E) none of these