The Sun
What are the three layers of the sun's atmosphere?
What is Photosphere, Chromosphere, and Corona?
What is a light year?
What is the distance that light travels in a vacuum in a year?
Is anything brighter than a supernova explosion in this universe?
What is no?
What are solar flares?
What is a sudden release of energy from the sun?
How many light years is the closest star to the sun?
What is 4.3 light years?
Where does the birth of stars occur?
What is the nebula?
What system of fusions are done for the sun to produce energy?
What is hydrogen nuclei to helium nuclei?
What is apparent brightness?
What is how bright the star appears from Earth?
What is a red supergiant?
What is an aging giant star that has consumed it’s core supply of hydrogen?
What does the sun's interior mainly consist of?
What is the core, radiation zone, and convection zone?
How do astronomers calculate a stars mass?
What is a white dwarf star?
What is any small very dense star that is typically the size of a planet?
What was Herman von Helmholtz and William Thomson's hypothesis?
What is the sun shrinking because of gravity, due to potential energy converting into thermal energy?
What percent of stars are found on the main sequence?
What is 90%?
What is a planetary nebula?
What is a glowing cloud of gas surrounding a dying low-mass star?