Science Olympiad, and the Citizen Sky Project Donna L Young National Event Supervisor for Astronomy Lead Educator, Chandra X-ray Center E/PO Office Author,
Sky Safari Andromeda VT
Sky Safari of the Constellation Andromeda
M31 velocity vector_part3
Aldo Cocchiglia - M31 - European Incubators in Silicon Valley - Stanford - Jan 3 2011
Dark Wars Tourism Part2
Astro 10-Lecture 13: Quiz 1. T/F We are near the center of our Galaxy 2.Cepheid variable stars can be used as distance indicators because a) They all have.
Introduction to Astrophysics Lecture 17: Cosmology: the expansion of the Universe.
Galaxies GALAXIES Stars are not randomly sprinkled throughout the universe. Most astronomers agree that there are about 100 billion galaxies in the universe,
Optical Telescope. Faint Light Astronomical objects are distant and faint. –Effectively at infinity Light collection is more important than magnification.
Astronomy 1 – Fall 2014 Lecture 16; December 8, 2014.
Class 21 : Other galaxies The distance to other galaxies Cepheid variable stars. Other methods. The velocities of galaxies Doppler shifts. Hubble’s law.
