Astronomy 110 final exam - Study guides, Class notes & Summaries

Grossmont Astronomy 110 Final Exam 2024

GROSSMONT ASTRONOMY 110 FINAL EXAM STUDY GUIDE 2024 ACTUAL QUESTIONS AND ANSWERS WITH COMPLETE SOLUTION

Grossmont Astronomy 110 Final Exam Study Guide Questions with 100% correct answers | verified | latest update 2024

What are constellations? How many are there? - A group of stars.88 What is the celestial sphere? - An imaginary sphere that maps all celestial objects. What is the celestial equator? - Earth's equator expanded onto the celestial sphere. What is an ecliptic? - A circle on the celestial sphere representing the sun's apparent path during the year. What are the North and South celestial poles? - Earth's north and south pole expanded onto the celestial sphere. What is the difference...

How many constellations are there? - 88 constellations lookback time - The time elapsed between when we detect the light here on Earth and when it was originally emitted by the source, is known as the 'lookback time'. Center of Milky Way - The Galactic Center (or Galactic Centre) is the rotational center of the Milky Way galaxy; it is a supermassive black hole of 4.100 ± 0.034 million solar masses, which powers the compact radio source Sagittarius A. Period- Luminosity relation - In ...

Astronomy 110 Final Exam Questions with 100% correct answers | verified | latest update 2024

Astronomy 110 Final Exam Questions with 100% correct answers | verified | latest update 2024

What happens to a low mass star after spending most of its life on the main sequence? - It evolves to the red giant region of the H-R diagram. Which two ways can a star generate energy? - Fusion reactions in the core of the star and gravitational contraction. How does a main sequence star become a red giant? - When H in the core is exhausted, there is no more energy generation and gravity takes over, so the He core and the surrounding H shell contract. This leads to H-fusion due to the hea...

Astronomy 110 Final Exam Questions with 100% correct answers | verified | latest update 2024

Astronomy 110 Final Exam Questions with 100% correct answers | verified | latest update 2024