- Question 4 0 5 Pts Red Giants Are Very Large In Volume This Does Not Mean That They Are More Massive Red Giants Are H 1 (30.6 KiB) Viewed 46 times
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Question 7 0.5 pts Size of the stars can be determine using the faint white diagonal lines in the graph. Sirius B has a radius approximately times the radius of the sun. O 10 O 0.01 O 0.000001 O 1000 0.5 pts Question 8
Question 8 0.5 pts Brighter and cooler stars tend to be O No answer text provided. O smaller No answer text provided. bigger 0.5 pts Question 9 binne
D Question 9 0.5 pts From this data we can conclude that there is relationship between size and brightness. O no O a direct O an inverse 0.5 pts Question 10
Question 10 0.5 pts From this graph we can conclude that there is relationship between size and temperature. O no definite O a direct O an inverse 0.5 pts D Question 11
ts Question 12 0.5 pts More massive stars have a lifespan The energy given off in the form of electromagnetic radiation (including visible light) comes from the fusion of Hydrogen into Helium. Most of the universe is composed of Hydrogen, the simplest element A star starts to grow and cool once it has accumulate a large amount of Helium in its core. Once all of the nuclear fuel is used up, it changes abruptly. O shorter O similar O longer 0.5 pts Question 13
longer D Question 13 0.5 pts All stars expand into Red Giants. More massive stars expand into Blue Giants A star with a mass of 0.2 times that of the Sun will expand into a at the end of its life and eventually become a Blue Giant Black Hole Red Dwarf, Neutron Sur White Dwarf, Neutron Star Red Glant, White Dwart Blue Giant, White Dwarf GI 8 - o
Question 14 0.5 pts A star with 10 times the mass of the sun will eventually end up as a at the end of its life, O Red Giant Neutron Star O Black Hole o White Dwart 0.5 pts D Question 15 20 A4 DING - @ 1
DD Question 15 0.5 pts How many times more massive than our Sun does a star need to be to end up as a Black Hole? O >30 times as massive as the Sun o >20 times as massive as the Sun O >10 times as massive as the Sun O >40 times as massive as the Sun 0.5 pts Question 16 2100
D Question 16 0.5 pts The neutron star collapses as it cools to a point where the gravity is so strong that electrons are pulled into the nucleus to bind with protons and form neutrons. This creates a very dense super nucleus. The black hole becomes so dense that the gravity at the surface prevents light from escaping This evolution occurs due to the star energy during its lifetime. o maintaining O gaining losing 1 pts Question 17
O losing D Question 17 1 pts What is the key factor in determining the lifetime, brightness, temperature, and what phases the star goes through? Why? Support your response. Edit View Insert Format Tools Table * 2 12pt Paragraph BIU ATV
р O words Question 18 1 pts Explain why a star can relatively suddenly grow into a Red Giant and then later collapse. Be sure to include gravity and the various possible fusion reactions in your response. Edit View Insert Format Tools Table oor av 12pt Paragraph Β Ι Ο ART?