When radiation has LOW energy the frequency is _______ and the wavelength is _______.
low, long
About how long does it take the moon to orbit the Earth?
27.5 days
If planet A has a larger mass than Earth, would planet A have a stronger or weaker gravitational force than Earth?
Stronger
The average distance between the Sun and Earth, approximately 93 million miles, was used to create this unit:
Astronomical Unit (AU)
What is astronomy?
The study of everything in the universe beyond Earth's atmosphere
A type of telescope that can collect energy from all wavelengths and work well because the sky is darker.
Space Based Telescope
What is illuminating the Moon?
Sunlight
Why is the planet Venus so hot?
it has carbon dioxide in its atmosphere
What is absolute magnitude?
How bright the star actually is
What is the first stage of the life of a star for ALL stars?
Stellar Nebula
What kind of light can humans see on the EM spectrum

Visible light
Gravity is a force, and it weakens with _____
Distance
What sets earth apart from the other inner planets in the solar system?
liquid water covers 70% of the surface
What happens inside a star?
Nuclear Fusion
Patterns of stars that resemble people, animals, or objects
Constellations
What is the main purpose of the International Space Station?
Scientific Research
What event does the diagram show?

Solar Eclipse
what is the difference between a meteoroid, a meteor, and a meteorite?
where they are located
What is the most common type of star?
Main sequence
An uncrewed space craft sent from Earth to explore objects in space
Space Probe
Why can we see stars?
They give off light?
What happens when the Earth passes between the sun and casts a shadow on the Moon?
Lunar eclipse
Why do rockets need so much force to be launched into space?
The rocket has to get past Earth’s atmosphere.
The Northern Lights, or Aurora Borealis, are caused by the Earth's magnetic field interacting with ______________.
energetic charged particles which originate from the sun (solar wind)
What is the longest phase of a star's life cycle?
Main Sequence
What does a refracting telescope use to magnify an image?
Convex lens
The average temperature in Atlanta in June is 25 degrees Celsius, but the average temperature in December is 7 degrees Celsius. Why is the average temperature in Atlanta higher in June than in December?
Earth's axis is tilted so that Atlanta gets more direct sunlight in June than in December
What is the correct order of the planets from closest to the sun to farthest to the sun?
Closest: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
In which area of this figure would the sun be located?

C
To determine what type of life cycle a star will undergo, the most important property to know is ______________.
the star's mass