MOON
STARS
STARS
MOON
MOON
100
This side of the moon always faces Earth.
What is the same side?
100
These are imaginary patterns of stars.
What is constellations?
100
A star's __ is the brightness the star would have if it were at a standard distance from Earth.
What is absolute brightness?
100
This is the largest part of the shadow of the moon.
What is a penumbra?
100
Scientists theorize that a ___ collided with Earth to form the moon.
What is a planet-size object?
200
This causes the phases of the moon, elcipses, and tides.
What is the relative position of the Earth, moon, and sun?
200
These are the characteristics used to classify stars.
What is color, temperature, size, composition, and brightness?
200
Astronomers use this to classify stars and to understand how stars change over time.
What is Hertzsprung-Russell Diagram?
200
This happens when the Earth blocks sunlight from reaching the moon.
What is a lunar eclipse?
200
The moon is dry and ___ .
What is airless?
300
The phase of the moon you see depends on ___ .
What is how much of the sun-lit side of the moon faces Earth?
300
A star's __ is its brightness as seen from Earth.
What is apparnet brightness?
300
This is a large cloud of gas and dust spread out in an immense volume.
What is a nebula?
300
Tides are caused mainly by ___ .
What is the moon's gravitational pull?
300
This phase of the moon is when the portion of the moon you can see is waxing and growing into a crescent shape.
What is a waxing crescent moon?
400
This has to happen to cause an eclipse.
What is when the moon's shadow hits the Earth or the Earth's shadow hits the moon?
400
This is the apparent change in position of an object when you look at it from different places.
What is parallax?
400
The blue-white core of the star that is left behind cools and becomes a ___ .
What is a white dwarf?
400
These are features on the moon.
What is maria, highlands, and craters?
400
This phase of the moon is where you can see half of the moon's lit side.
What is a third quarter moon?
500
This eclipse occurs when the moon passes directly between Earth and the sun.
What is a solar eclipse?
500
More than 90% of all stars, including the sun, are ___ .
What is main sequence?
500
These are the remains of high-mass stars.
What is neutron stars?
500
This is how craters on the moon formed.
What is the impacts of meteroids?
500
Why does Earth have seasons?
What is the Earth is tilted and it revolves around the sun?
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