Our Sun
More About The Sun
Stars!
Stars #2
Stars Again?
100
The type of star our sun is based on the HR diagram
What is a main sequence star.
100
The layer of the sun's atmosphere that has a reddish glow
What is the chromosphere. Chromo means color!
100
Determines the length of a star's life
What is its mass. Less mass = longer life More mass = shorter life
100
An example of the magnitude of a very bright star
What is a magnitude of -5 or any other negative number. The sun appears to us as a -26.7!
100
When stars appear to move, allowing us to measure how far away they are
What is parallax. ***When a star is too far away parallax will no longer work.
200
The color of our sun
What is yellow.
200
The layer of the sun's atmosphere that looks like a halo during an eclipse
What is the corona. Remember, corona means crown!
200
The first stage in the life cycle of a star
What is a cloud of gas and dust called a nebula.
200
A tool used to analyze light from stars
What is a spectroscope.
200
Information about a star you can get from a spectroscope
composition, temperature, speed of rotation, and pressure
300
The name of the center of the sun
What is the core.
300
Dark, cooler areas of high activity on the sun's surface
What are sunspots.
300
What are the stages in the life cycle of a star?
cloud of gas and dust protostar main sequence star red giant white dwarf
300
An area in space with so much gravity that not even light can escape!
What is a black hole.
300
Our galaxy
What is the Milky Way.
400
The outer layer of the sun's interior where hot gases rise and cool gases sink
What is the convection zone.
400
Length of the sunspot cycle
What is 10 - 11 years. Reminder: you graphed this info in the computer lab!
400
The color of the hottest stars
What is blue.
400
The shapes of galaxies
What are elliptical, spiral, and irregular.
400
The shape of our galaxy, the Milky Way...
What is a spiral.
500
The surface layer of the sun's atmosphere that gives off visible light
What is the photosphere. Remember, photo means light.
500
Our sun's category, based on the size, temperature and absolute magnitude
What is a medium star.
500
How bright a star appears to us on Earth
What is apparent magnitude.
500
A shift in the lines on the spectrogram indicating a star is moving away from you
What is a red shift. Note: A blue shift would indicate a star is moving toward you.
500
How bright a star really is based on its size and temperature
What is absolute magnitude.
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