Which position or positions in the HR diagram shown most accurately indicate the positions of the reddest stars? 11) B and E
Which position or positions in the HR diagram shown most accurately indicate the positions of the most luminous stars? 8) A
Which part of the Sun's atmosphere is the hottest? Answer: corona What is the name for the visible surface of the Sun? Answer: photosphere The Sun's chromosphere contains many jet-like projections that stick up into a transition region between the ch
A rapidly rotating neutron star that is beaming light in the direction of the earth is called a Answer: pulsar During what phase of a star's death is it converting hydrogen into helium in a shell around a non-burning helium core? 1) Proto-star phase.
Introduction - The Night sky Astronomy: study of all things outside the atmosphere of the Earth - Planets - Stars - Galaxies - Structure and evolution of universe Cosmology Milky Way contains over 200 billion stars only one of trillions of galaxies
Star A gives off most of its light in the infrared. Star B gives off most of its light in the ultraviolet. Which of the following statements is true? 1) Star A is cooler than Star B. 2) Star B is cooler than Star A. 3) Star A and Star B have the same