Astr 102 - Study guides, Class notes & Summaries

Which of the following is the smallest? a) 1 AU b) Size of a typical planet c) 1 light-month d) Size of a typical star - b) Size of a typical planet How are galaxies important to our existence? a) Without galaxies, the universe could not be expanding b) Without galaxies, there could not have been a big bang c) Galaxies provide the gravity that prevents us from falling off Earth d) Galaxies prevent planets from leaving their orbits around stars; e.g., our galaxy prevents Earth from lea...

ASTR 102 Final Exam Questions Riverside Correct Solutions Current Update order of red giant's life - Answer -Red Giant → Planetary Nebula → White Dwarf → Black Dwarf or Red Giant → Type II Supernova → Neutron Star or Red Giant → Type II Supernova → Black Hol The eventual fate of our Sun is to - Answer -become a steadily cooling white dwarf. Our Sun will not become a nova because this only happens to stars - Answer -with a binary companion. Black holes are formed ...

ASTR 102 Exam Questions All Correctly Answered New Verified Edition Expression - Answer -Artistic movement that aspired to represent inner experience, explore the worlds of psyche, and to render visible the stressful emotional life of the modern person—isolated -represents the tormented feelings of people stuck in world of pain + conflict Second Viennese School: - Answer -Arnold Schoenberg, Anton Webern, and Alban Berg. Arnold Webern - Answer -Best know for his atonal and twelve tone...

ASTR 102 Midterm 2 | 100% Correct Answers | Verified | Latest 2024 Version A star has an apparent brightness of -2 and an absolute brightness of 1. What must be true? Select one: a. The star is further than 10 parsecs b. The star is at 10 parsecs c. The star is closer than 10 parsecs d. The star is close to exploding - c What is special about electromagnetic waves? Select one: a. We can see all of them b. They do not need a medium to travel c. They only exist near stars d. E...

ASTR 102 Midterm Exam Questions | 100% Correct Answers | Verified | Latest 2024 Version The apparent motion of a foreground object relative to a distant background as the observers position changes? - Parallax When measuring parallax the distance between two observation points is called? - Baseline If Earth rotated twice as fast as it currently does, but its motion around the Sun stayed the same, then? A. The night would be twice as long B. The night would be half as long C. The...

Which of the following statements about light focusing is not true? A) In a healthy eye, light is focused on the retina. B) Film should be placed at the focal plane in a camera. C) If you try to look at an image that is not formed at the focal plane, it will be blurry. D) The focal plane of a reflecting telescope is always located within a few inches of the primary mirror. - D) The focal plane of a reflecting telescope is always located within a few inches of the primary mirror. Suppose t...

D) the same no matter how or where you measure the object's weight. - The mass of an object is A) the same as the weight of the object. B) larger than the weight of the object. C) unrelated to the weight of the object. D) the same no matter how or where you measure the object's weight. A) halved. - If an object's velocity is halved, its momentum is A) halved. B) unchanged, C) doubled D) quadrupled E) dependent on its acceleration.

ASTR 102 Quiz Questions | 100% Correct Answers | Verified | Latest 2024 Version We have learned that the centre of the milky way contains a very massive black hole. We developed this understanding by: - Monitoring the orbital motions of many individual stars in the very central parts of the Milky Way If the sun were to be squashed down small enough to become a black hole, then: - The planets in the solar system would orbit the Sun in unchanged fashion (but would receive no light from it)...

The apparent motion of a foreground object relative to a distant background as the observers position changes? - Parallax When measuring parallax the distance between two observation points is called? - Baseline If Earth rotated twice as fast as it currently does, but its motion around the Sun stayed the same, then? A. The night would be twice as long B. The night would be half as long C. The year would be half as long D. The length of the day would be unchanged. - B. A long, thin cloud ...