Sun
What type of star is the sun
dwarf star
The hottest stars
O-type
The temperature at or near a surface.
surface temperature
The sun is like SUPER big. It's a hypergiant
False, its a dwarf star
It is not important. We are better off without it hehe
It is important!!! It is one of the most important tools in studying stars
What is the temperature of the sun
5500 K
Coolest star type
M type
This is what tells what the star's surface temperature is
Color
Giants are bigger than neutron stars
True
This was developed in 1689
Developed in the early 1900s
Apparent color of sun
yellowish white
The type our Sun is
G type
This depends on both of a star's size and temperature
luminosity
Hertzsprung Russel diagram was made by Dmitri Mendeleev and Walter Russell
FALSE!!! Ejnar Hertzsprung and Henry Norris Russel
What does the x axis has and what does the y axis has
surface temperature is on the x axis and y axis is absolute brightness
Earth
This is before A type stars
F type
Most stars have about 73% hydrogen, 25% helium, and 2% other elements by mass. What is this called????????? :O
chemical composition
White dwarfs measure from 20 to 40 km in diameter
False, neutron stars
What are the stars in the diagonal area called?
Main sequence stars
Sun's energy is generated in the corona
Core
This star type has a surface temperature of 3900–5200 K
K type stars
The larger the star the ______
brighter
Apparent brightness is the star's true brightness irrespective from Earth
Where are white dwarfs found
bottom left of the diagram