Properties of the sun
What object is the largest in the solar system
sun
What is a constellation
groups of stars that have been named
Name the four basic properties of stars
mass, diameter, and luminosity, temperature
What is a nebula
cloud of interstellar gas and dust
Name the three layers of the sun's atmosphere
corona, chromosphere, photosphere
what is fusion
the combination of lightweight atomic nuclei
What is a light-year
the distance light travels in a year
This is disk shaped with ahot condensed center
protostar
Gas flows outward from the corona at high speeds
Solar Wind
What are violent eruptions of particles and radiation from the sun called
solar flares
What is uded to determine the speed and direction of a star
dopler shift
What process changes hydrogen to helium
fusion
All stars are made up of these two elements
hydrogen/ helium
When two stars are gravitationally bound together
binary star
N ame the three types of spectra
continuous, emission, and absorption
How much of the solar system's mass does the sun take up
99%
a dark spot on the surface of the photosphere that typically lasts two months, occurs in pairs.
sunspot
What is the H-R Diagram stand for
Hertzsprung-Russell
What creates the energy of the sun
The fusion of hydrogen
The interior is composed only of atomic nuclei and electrons, in the state of matter known as
Plasma