Characteristics of Stars
Stars this color are the hottest.
Blue
Small/Medium
All matter that ever existed came from this.
A star
This is a cloud of dust and gas in space.
Nebula
When the sun is experiencing a small number of sunspots, it is called this.
Solar minimum
Stars this color are the coolest.
Red
Betelgeuse is considered this size.
Large
Nuclear fusion is powered by this.
Hydrogen atoms.
Our Sun is currently in this stage of development.
Main sequence
When the sun is experiencing a large number of sunspots, it is called this.
Solar maximum
The color of a star tells us this. (2)
Temperature and distance from Earth.
Luminosity of our Sun.
Medium
Hydrogen's combine in the star's core to form this atom.
Helium
This stage describes when a massive star runs out of hydrogen fuel.
Supernova
This is how long our sun cycle is.
11 years
This is how long it takes light from the Sun to reach Earth.
8 minutes
90% of all stars on the HR diagram are in this stage of development.
Main Sequence
This tool is used to study light in outer space.
Spectroscope
Last stage of development our Sun.
Black Dwarf
This protects us from solar flares.
Magnetosphere
What is a light year?
The distance light travels in a year.
Luminosity of Betelgeuse.
Bright
Spectrum
Last stage of development of Betelgeuse.
Black hole or neutron star.
2025-2027