Astro 001 Study guides, Class notes & Summaries

PSU ASTRO 001 EXAM #21 QUESTIONS AND ANSWERS FULLY SOLVED.

According to Newton's Second Law of Motion, if the net force acting on the object increases while the mass of the object remains constant, what happens to the acceleration? - Acceleration increases. If the Earth were moved to half its current distance from the Sun, how would the force of gravity by the Sun on the Earth change? - It would become four times stronger. What did Newton's Law of Universal Gravitation tell us about how gravity works? - The force of gravity from the Sun will be s...

ASTRO 001 EXAM #22 APPROVED SOLUTIONS.

ASTRO 001 EXAM #2 PSU QUESTIONS AND ANSWERS VERIFIED

PSU ASTRO 001 UNIT 3 EXAM QUESTIONS AND ANSWERS FULLY VERIFIED #9

ASTRO 1 PSU EXAM #10 SOLVED

ASTRO 001 EXAM #23 QUESTIONS AND ANSWERS GRADED A+

What causes day and night? - Rotation of Earth on its Axis How does the Sun appear to move in the sky in the course of a day? - East to West bc of Earth's rotation. The stars and planets move the same way, also bc Earth's rotation What happens to the Earth in one year? - It orbits the Sun one time Why do we have seasons? - Tilt of Earth's axis (not changing from Sun). The tilt is about 23 degrees How is the Earth's axis tilted when we have summer in the Northern hemisphere? - With the N...

Astro 1 PSU Exam 4 Questions & Revised Correct Solutions >Updated < Already Passed!!< Which is the smallest object? - ANSWER : -A neutron star A galaxy has an H-alpha emission line observed at a wavelength 10 percent larger than the rest wavelength of H-alpha. What is the redshift of the galaxy? - ANSWER : -0.1 What is in this image? - ANSWER : -Supernova remnant Which is the most luminous? - ANSWER : -Quasar Which contains the most stars? - ANSWER : -A spiral galaxy Galaxy...