Vocabulary
Energy from the sun travels through space as...
Radiation
This is the largest sized star
Supergiant
What size is our sun?
Main Sequence/Medium
If four stars are the same size and have the same temperature, why would one star look much brighter that the others?
It is closer to Earth that the others
These are the smallest stars.
Dwarfs
You can see (more/fewer) stars with a telescope that with just your eye.
more
True or False?
The sun is largest star in the universe?
False
These are the hottest stars
Blue stars
Where does nuclear fusion (combination of hydrogen atoms, forming helium and producing enormous amounts of energy) occur?
The core
Physical properties of stars are brightness, size, and _______.
color
The sun is a planet.
The brightness of a star as it appears from Earth.
Apparent Magnitude
These are the coolest stars
Identify the features of the sun.
Solar wind, solar flares, prominences, sunspots.
distance, shape, color, or size?
Stars are all bigger than our Moon.
The actual brightness of a star without considering its distance from the observer.
Absolute Brightness (Luminosity/Absolute Magnitude)
The distance to stars is measured in....
Lightyears (LY)
Total Jeopardy: Name off the structure of the sun and describe each of the 6 layers.
Core-Innermost layer of the sun's interior. Where nuclear fusion occurs
Radiative Zone- Middle layer f the suns interior. Layer in which energy is radiated away/outward from the core.
Convective Zone- Outermost layer of the sun's interior. Hot gases rise from the bottom of the convection zone and cool when they near the top. Cooler gases sink.
Photosphere- Innermost layer of the sun's atmosphere (photo means light in Latin-visible surface of the sun.
Chromosphere- The middle layer of the sun's atmosphere.
Corona- The outermost layer of the sun's atmosphere.
Does the Sun rotate or revolve?
Rotate