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Solar System
Light & the EM Spectrum
Stars Overview
Life Cycle of Stars
100

What is the name of objects orbiting the sun that are made of gas and ice and produce tails during parts of their orbits.

Comet

100

How many planets in our solar system?

Eight

100
What is the EM Spectrum?
The name scientists use to describe groups of radiation that come from stars.
100
Patterns of stars in the sky are called what?
Constellations
100
Stars start out their lives as part of a ___________, which is a large cloud of gas and dust.
Nebula
200

Which is closer to the Earth? Sun or the moon?

Moon (290,000 miles away)

Sun (93,000,000 miles away)

200

Are planetary orbits always perfect circles?

No, they are almost never perfect circles.

200
What is the only type of radiation we can see?
Visible light
200
What are two of the four ways to classify stars?
Color & Temperature, Size, Composition, Brightness
200
The earliest stage of a star's life is called a _____________.
Protostar
300

Mercury is closer to the Sun than Venus, but Venus is much hotter. Why?

Venus has an extremely thick atmosphere made mostly of Carbon Dioxide, causing a runaway greenhouse effect. 

300
The name of the area in our solar system past the orbit of Neptune where Pluto and many other celestial bodies reside. 

Kuiper Belt

300

X-rays have ________ wavelengths than radio waves. 

Shorter

300
What does nuclear fusion produce?
Heavier elements and energy
300
The sun will eventually become a _______________ and then a _____________.
Red giant; white dwarf.
400

Approximately, how many miles in a light year?

6,000,000,000,000 (6 trillion)

400
How long does the sun's light take to reach us?
8 minutes
400
Describe the wavelength and energy level for a wave with high frequency.
Short wavelength, high energy
400

What phase of life is our Sun in?

Main sequence

400
How does a star's mass affect its lifetime?
Low mass stars live longer than high mass stars.
500

Which type of radiation is produced during supernova, neutron stars, and nuclear detonations?

Gamma Rays

500

The name of the "bubble" of space debris that orbits our sun up to one light year away. 

Oort Cloud

500

__________ rays are responsible for sunburn and skin cancer.

Ultraviolet

500
The H-R diagram shows the relationship between a star's _________ & ___________.
Luminosity and temperature
500
Compare and contrast low mass and high mass stars? *2 similarities and 2 differences
-Answers will vary-