Astronomy Constellation
The term "equinox" means...
"Equal night"
What does the word "solstice" mean?
"Sun stands still"
The word "planet" comes from a phrase that means...
"Wandering Star"
The Earth is tilted how much?
23.5º
How many constellations are there?
88
How many stars are visible to the naked eye if there is no light pollution?
9,096 stars
The North Pole is measured at...
90º
Saturn is "Blank" times more massive than the Earth.
95
A group of stars that make a popular shape in the sky that isn't a constellation
An Asterism
A formal group of stars that make a picture in the sky is called...
Asterism
Why is the region north of the Arctic Circle known as the Land of the Midnight Sun?
Because on the summer solstice, these areas experience over 24 hours of daylight.
Why won't you find the planets on a celestial sphere?
Because the planets move separate from the stars.
Why are the zodiac constellations special?
Because they touch the ecliptic
What is light pollution?
Extra light in the atmosphere
What impacts a star's apparent magnitude?
Its absolute magnitude and its distance from us
The North star is named...
Polaris
What is the name of the Greek astronomer who made a catalogue of 48 constellations that became the basis for our constellations?
Ptolemy
Our solar system lives in...
The Milky Way Galaxy
The ecliptic is...
The apparent path of the sun through the sky
What is the celestial north pole?
The celestial north pole is the location on the celestial sphere at which the Earth's north pole points.
The brighter a star is in our sky...
The greater its apparent magnitude
From the standpoint of an observer on Earth, the point where the sky meets the land or water is called...
The horizon
The Tropic of Cancer is...
The latitude line in the northern hemisphere where the sun reaches the zenith on the summer solstice
Why do we see different constellations during different times of the year?
The night side of the Earth faces different directions in space throughout the year
The Temperate Zone in the northern hemisphere is...
The region between the Tropics and the Arctic Circle
Saturn's largest moon is called what?
Titan
Vega, Deneb, and Altair are the three stars of the Summer Triangle
True
Polaris is in what constellation?
Ursa Minor
What is polar night?
When certain regions of the Earth experience over 24 hours where the sun doesn't rise