Astronomy final exam - Study guides, Class notes & Summaries

Intro to Astronomy Final Exam (2024 / 2025) Actual Questions and Verified Answers, 100% Guarantee Pass According to our modern science, which of the following best explains why the vast majority of the mass of our solar system consists of hydrogen and helium gas? A. Hydrogen and helium are produced in stars by nuclear fusion. B. Hydrogen and helium are the most common elements throughout the universe, because they were the only elements present when the universe was young. C. All the other ...

Intro to Astronomy Final Exam Study Guide Test. Why were ancient peoples unable to detect stellar parallax? • A. They did detect it, but they rejected the observations • B. They could not see distant stars • C. They did not have the ability to measure small enough angles • D. They did not observe for long enough periods of time • E. They looked in the wrong direction - CORRECT ANSWER C How did Eratosthenes estimate the size of the Earth? • A. He sent fleets of ships aroun...

Astronomy Final Exam Study Guide Questions and Answers 100% Solved All main sequence stars are converting hydrogen into _______________ in their cores. ️️helium The main sequence phase is the ________________ phase of a star's lifetime. ️️longest What percentage of stars are on the main sequence? ️️90% The hot blue O and B type main sequence stars have __________. ️️short lifetimes The cool red K and M type main sequence stars have _____________. ️️long lifetimes Th...

Astronomy Final Exam: Questions With Verified Solutions (Graded A+)

Astronomy Final Actual Exam Questions and CORRECT Answers When it comes to our place in the solar system today, which model do we accept? a) heliocentric b) Ptolemaic c) geocentric d) Aristotelean - CORRECT ANSWER- a

Astronomy 1510 Trent University final exam

Astronomy Final Exam with Complete Solutions 100% Solved A raised ridge on the surface of Mercury ️️Scarp Pulverized rock that covers the Moon as a fine dust ️️Regolith A bright line emanating outward from craters ️️Ray Smooth dark regions on the Moon where lave once flowed ️️Maria A very large impact crater on Mercury ️️Caloris Basin The largest mountain on Earth (as measured from the sea floor) ️️Mauna Kea A lunar rille is most likely formed from A) two crater...

Astronomy Final UPDATED Actual Exam Questions and CORRECT Answers A solar system contains a. primarily planets b. large amounts of gas and dust but very few stars c. large amounts of gas dust and stars d. a single star and planets e. thousands of super clusters - CORRECT ANSWER- d. a single star and planets

ASTRONOMY FINAL EXAM: QUESTIONS WITH CORRECT SOLUTIONS

Astronomy Final Exam Study Guide Questions And Answers 100% Solved The way scientists know that a hypothesis is a reasonable description of nature is to... ️️Do experiments and observations about predictions of the hypothesis A lightyear is.... ️️The distance that light travels in one year A star is 230 light years away. the light we see tonight from that star left it.... ️️230 years ago The Star that provides energy for the Earth is..... ️️The Sun The location of the ...