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Title: Approximately what core temperature is required before hydrogen fusion can begin in a star? Post by: endraxz on Mar 19, 2018 Approximately what core temperature is required before hydrogen fusion can begin in a star?
A) 10,000 K B) 10 million K C) 1 billion K D) 10 billion K E) 10 trillion K Question 2 Mercury's most unusual orbital feature, as compared to the other planets, is A) the size of its orbit. B) the shape of its orbit. C) its orbital period. D) the size of the planet. E) that it has no moons. Question 3 If the last peak in sunspot numbers occurred in 2013, then the next solar max is ________. Fill in the blank(s) with correct word Question 4 Few ________ actually strike the Earth, because most are small and burn up in the atmosphere. Fill in the blank(s) with correct word Question 5 Explain how rotation and magnetic fields influence the formation of the protostar. What will be an ideal response? Question 6 When the huge polar caps on Mars form every winter, they are made chiefly of ________. Fill in the blank(s) with correct word Title: Approximately what core temperature is required before hydrogen fusion can begin in a star? Post by: Kennykeen15 on Mar 19, 2018 B B 2024 meteors Rotation flattens the dusty cocoon into a disk around the protostar's equator, and the magnetic fields guide bipolar flows of material outward to make Herbig-Haro objects. dry ice (frozen carbon dioxide) Title: Approximately what core temperature is required before hydrogen fusion can begin in a star? Post by: endraxz on Mar 19, 2018 :-] I'm impressed
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