Star Vocabulary
a hot ball of glowing gases
a star
Name one property of a star.
Many options
a scientist who studies the stars
astronomer
What does a star chart help astronomers identify?
constellations
the closest star to Earth
the sun
What property of stars lets us know their composition from far away?
Spectral Lines
a tool used to observe distant objects
telescope
Part A: What color stars are hottest?
Part B: What color stars are coolest?
Blue: hottest
Red: coolest
a group of stars that form a pattern
a constellation
What diagram is used to classify stars?
HR Diagram
the air around the Earth
atmosphere
Hottest:
Middle:
Coolest:
hottest: blue
middle: yellow (sun)
coolest: red
heat and light that travel through space
radiant energy
a star that is closer looks...
brighter
How does a telescope change the appearance of an object?
a telescope makes objects appear closer
We know the sun is a star. Why does the sun look different from other stars?
The sun is so much closer to Earth compared to other stars.
What tool is a telescope similar to?
a hand lens (magnifying glass)
What determines a star's color?
the temperature of the star
Radiant energy is waves from the sun that give off __________ and ___________.
heat and light
Name a specific way radiant energy affects your life.
examples:
light grows plants that let us eat veggies
light shines on solar panels to give us energy
heat can cause ice cubes to melt