Astr 102 - Study guides, Class notes & Summaries

ASTR 102 Quiz Questions | 100% Correct Answers | Verified | Latest 2024 Version

ASTR 102 Midterm 2 | 100% Correct Answers | Verified | Latest 2024 Version

ASTR 102 Exam Questions With Answers 2024 New Update What is wavelength? - Answer -Distance between two crests What is amplitude? - Answer -Distance between crest and resting position What is period? - Answer -Time between one crest and the next one What is the frequency of a wave? - Answer -Number of oscillations that pass by per second (1/Period) How do you calculate wave speed? - Answer -wavelength x frequency Electric field and magnetic field oscillate in the same direction...

Q1.1: If every star in the universe was a grain ofsand, which of the following would be filled ~4meters deep in sand? A. This classroomB. Cal Poly campusC. SLO countryD. CaliforniaE. Continental US - SLO Q3.2: If you walk out of this building and face directly south, which direction is east? A. Slightly to the rightB. Slightly to the leftC. Directly rightD. Directly leftE. Behind you - D Q4.1: Imagine that from your current location you observe a star rising directly in the east.When this s...

ASTR 102 Exam Questions With Correct Answers Current Update 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. - Answer -D) The focal plane of a reflecting telescope...

ASTR 102 Final Lecture Questions | 100% Correct Answers | Verified | Latest 2024 Version

USASK ASTR 102 Final | 100% Correct Answers | Verified | Latest 2024 Version

White dwarfs: properties - Remaining cores of dead, low mass stars Electron degeneracy pressure supports them against gravity Slowly fade with time Sirius and its hot WD companion White dwarfs with same mass as Sun are about same size as Earth; slowly cooling Typical density 10^6 gram / cubic cm Higher mass white dwarfs are smaller Cannot be more massive than 1.4MSun, the Chandrasekhar limit WDs in binaries: nova, supernova Type I - Mass falls toward white dwarf from binary companion ...

What are the Milky Way Galaxy's spiral arms? - The spiral arms are places where stars are formed from clouds of gas and dust Where are you in the Universe? If you had to give directions to your location in the Universe, what directions would you give? - We are the third planet away from the Sun. Our Solar System is located in one of the spiral arms of the Milky Way Galaxy, one within the Local Group of galaxies Why do astronomers now label Pluto a "dwarf planet"? - Due to its small size ...

Consider a spectroscopic binary star system in which the spectra of both stars are observed. If Star A is more massive than Star B, which star has the greater orbital velocity? a) Star A b) Star B c) They both have the same velocity d) The star that is closest to the center of mass e) It depends on where they are in their orbits - Consider a spectroscopic binary star system in which the spectra of both stars are observed. If Star A is more massive than Star B, which star has the greater o...