Important People
Proposed the "Geocentric" Model
Who is Ptolemy
Largest planet in the solar system
What is Jupiter
Part of a reflecting telescope that captures incoming light
What is a mirror
24 hour movement of Earth around its axis
What is a day
Friend of Isaac Newton who helped him publish his thoughts on astronomy
Edmund Halley
Proposed the "Heliocentric" Model
Who is Copernicus
Planet closest to the sun
What is Mercury
Part of refracting telescope that captures incoming light
What is a convex lens
comprised of 7 days
What is a week
Enemy of Isaac Newton who tried to take credit for his ideas
Who is Robert Hooke
Figured out the circumference of the Earth using a stick and his mind.
Who is Eratosthenes.
Planet with large rings
What is Saturn
Part of the telescope you look through
What is the eyepiece
Comprised of 365.242 days
What is a year
Dutch astronomer who discovered a cloud of icy objects believed to be the "home of comets"
Who is Oort
Discovered that the Universe is expanding and that the Milky Way is not the only galaxy.
Who is Edwin Hubble
Also known as the Red Planet
What is Mars
a typical telescope stands on this
What is a tripod
type of calendar based on the phases of the moon
What is a Lunar Calendar
Ball of ice and rock that travels around the sun in an elliptical orbit
What is a comet
Who is Katherine Johnson
Earth's "sister" planet
What is Venus
Both refracting and reflecting telescopes are described as
What are optical telescopes
Examples of solar calendars named after two historical figures
Julian calendar ad Gregorian calendar
What is gravity