Sun #1
in the center of our solar system
Where is our sun located?
Type of wave that allows you see bones in your body
What are x-rays?
Nuclear fusion
The process where two atoms of hydrogen fuse together to form an atom of helium is called
Annie Cannon
What scientist developed the spectra classification on the HR diagram.
They have low surface temperatures and high luminosities
What are red giants?
photosphere
What is the name of the surface off the sun?
gamma rays
Which electromagnetic waves have the highest frequency and most energy
red
The coolest stars, with a surface temperature of about 3,000 C appear what color in the sky.
the hottest and brightest stars
What are blue giants?
name of first stars
What are protostars?
electromagnetic and particle radiation
What are the two types of radiation from the sun?
visible light
What is the only type of electromagnetic wave that can be seen?
brightness seen from earth at different distances.
What is apparent brightness?
found in main sequence
What is the sun?
Gaseous remains of dying, mid-sized stars that are in the process of turning into white dwarfs
What are planetary nebula?
11 years
What is the current sunspot cycle?
longest wavelength
What is a radio wave?
The distance that light travels in one year, which is roughly 9.5 million kilometers.
What is a light year?
another name for brightness
What is luminosity?
Sun's core
Where does the heat from the sun come from to heat the Earth?
6000 K
What is the surface temperature of the sun?
radiation
What characteristic do all electromagnetic wave have in common?
hydrogen and helium
What are stars made of?
dim and hot stars
What are white dwarfs?
going around an object
What is revolution?