Stellar Evolution - White Dwarfs and Supernovae
ASTRONOMY 3 Lesson 19
The Planetary Nebula NGC 6543 with its central white dwarf as observed by Hubble Space Telescope in the visual and the Chandra satellites in X-rays (Y.-H Chu et al.). The image
Astronomy 4 Homework 1
Weiming Chen 204626549
April 9, 2017
2.67 105 AU
Problem 1e. The object is 7.0 1016 km away from Earth, while the radius of the Oort
Cloud is believed to be
Astronomy 4: HW #5
Due date: Tuesday, May 12th
1. Properties of Giant Stars
(a) What is the escape velocity (in m/s) from the surface of the Sun?
(b) What is the escape velocity (in m/s) from the surface of a red giant star with a mass of
1M and a radius
Astro 4 Homework #1 Solutions
1) Workout with Scientific Notation and Units
A. Express 0.00000000000482 in scientific notation.
Answer: 4.82 10-12
B. Express 35700000000000000 in scientific notation.
Answer: 3.57 1016
C. Express 5.0 1016 m in terms of ast