The Planets
What is Pluto now called?
a dwarf planet
The main cause of Earth's seasons is its
tilt on its axis
Which kind of galaxy looks like a pinwheel from above
a Spiral Galaxy
stars begin their live as _____
Nebulas
Approximately, how long does it take for the Moon to orbit the Earth?
27-28 days
Which planet has a very large storm which has been going on for at least 400 years?
Jupiter
Earth makes 1 revolution every ...
365 days
Which object in space has a bright tail and is generally thought to be a chunk of frozen matter
A comet
Young stars like our own are mostly made up of which two elements?
Hydrogen and Helium
what is the Moon Illusion of size, and what causes it?
The illusion that the Moon is larger when it is closer to the horizon and smaller when it is higher in the sky. This is due to a lack of reference points in space.
Which planet is furthest from the sun?
Neptune
in the summer we get longer days because the...
Sun gets higher in the sky and takes a longer path.
The asteroid belt is found between _____ and ______
Mars and Jupiter
What is it called when a high-mass star explodes?
A supernova
What kind of tide is observed on earth when the Moon and Sun are at right angles to one another?
A Neap Tide
Which of the following is NOT considered an inner planet? Mercury, Earth, Mars, Saturn
Saturn
It is warmer in the summer due to the increase in _________ _______
direct sunlight. (Closer to the sun and the tilt of Earth.)
regarding Meteoroids, Meteors and Meteorites, which is the proper name for a lump of rock that hits the Earth?
Meteorites
why can't we see a black hole?
A black hole's gravity is so strong that light can't even escape. If light can't escape, it won't reach our eyes and we won't see it.
The phases of the Moon are the result of .......
Changing viewing angles. The Sun's rays always strike half the Moon however, we only ever see a portion due to its location.
Which planet experiences very high temperatures due to its large greenhouse effect? Earth's toxic twin.
Venus
Earth is tilted at an angle of ______
23.5
What color does an object appear to be if it is moving very, very fast away from you?
Red
If someone is looking at our planet from a very great distance (many hundreds of light years away) what would they see? Provide an example.
They would see our past. If they are 10,000 light years away they would see earth as it was 10,000 years ago.
The "Dark Side" of the Moon should really be called the _____ ______ of the Moon
Far Side