History of Astronomy
This theory, claiming that the Earth is at the center of the universe and all celestial objects orbit around it, was formalized by the Greek astronomer Ptolemy.
What is "the geocentric model"
What is "the moon"
The spinning of a celestial object around its own axis
What is "rotation"
The name of the shape that describes an objects orbit
What is "ellipse"
The mutual force of attraction between objects in space
Why did ancient civilizations study astronomy?
What is "accurate timekeeping, agriculture, navigation, religion"
This event occurs when the moon moves between the sun and Earth, casting a shadow on the Earth
What is an "eclipse"
Lines that measure degrees north and south of the Equator
What are "lines of latitude"
This term refers to a planets closest point to the sun
What is "perihelion"
Gravity decreases as this increases
What is "distance"
Ancient astronomers often observed this date as an end of the growing season, a time to prepare for the harvest of their crops
What is "summer solstice"
These are recognizable patterns of stars in the sky (Ursa Major, Leo the Lion, Orion, etc.)
What are "constellations"
The spinning of an object around another object in space
What is "revolution"
This term refers to a planets farthest point from the sun
What is "aphelion"
What is "Mass of an object"
This structure, found in England, was built in ancient times to align with celestial events such as the Summer solstice
What is "Stonehenge"
Part of the constellation Ursa Minor, this stars brightness and position above the North Pole makes it useful for navigation
What is "Polaris/the north star"
Earths axial tilt is measured in how many degrees
What is "23.4 degrees"
This law states that planets sweep out equal areas of space in equal time (the closer a planet is to the sun, the faster it moves. The farther away, the slower)
What is "Kepler's second law"
True or false: Your weight is the same on other planets as it is on Earth
False
This Polish astronomer’s work in the 16th century challenged the geocentric view with a comprehensive heliocentric theory, marking a major shift in our understanding of the cosmos.
Who is "Copernicus"
This measurement is often used in astronomy because of the vast distances between objects in the universe
These two phenomena are responsible for Earth's seasons (remember, summer in the Northern hemisphere is winter in the Southern hemisphere)
What are "Revolution and axial tilt"
This equation, used to calculate a planets orbital period or its distance from its orbiting body, is a part of Kepler's Third Law
What is "a^2 = r^3"
Gravity is responsible for this celestial object, one of which lies at the center of our galaxy.
What are "black holes"