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The Sun and Other Stars (Unit 1: Objects In Space)
Terms in this set (15)
Our Sun's Name, in English:
"The Sun." [And sometimes "Sol"]
The Sun's actual color (the color you would see if you were in outer space)?
The process that produces the Sun's energy:
Nuclear Fusion. [Hydrogen atoms joining and becoming Helium]
What stars (including The Sun) are made of:
Mostly hydrogen "gas" [actually hydrogen plasma]
Solar flares and Coronal Mass Ejections (CMEs):
Explosions on the Sun's surface.
The Solar Cycle (and its length):
An 11 year cycle during which the Sun's North and South magnetic poles flip.
Three things that increase and decrease during each Solar Cycle:
Numbers of Sunspots, Solar Flares + CMEs, and overall brightness
Dark, cooler areas on the Sun's surface.
Locations where sunspots form:
Areas on the sun where the Sun's magnetic field is especially strong.
Effects of solar flares and coronal mass ejections:
1) Auroras (northern lights). 2) Interference with radio transmissions and 3) Power outages.
4 ways in which stars can differ from one another:
Color, Size, Temperature, and Age
A collection of stars that form a dot-to-dot picture in the sky.
This describes a constellation that we can see all year round
The Big Dipper; draw it and show how it can be used to find Polaris (the North Star). Is the Big dipper circumpolar?
This is a circumpolar constellation.
The constellation Orion; draw its belt, shoulders, and skirt, and label the red supergiant Betelgeuse. Is Orion circumpolar?
This is not a circumpolar constellation. We can only see it during the winter.
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