Our Cosmic Hood
In this model, the Earth was located at the center, and the planet, Moon, Sun, and stars all surrounded and moved around the Earth
What is the "Geocentric Universe Model"
Occurs when an object spins around its own axis of symmetry
What is "Rotation"
This Danish astronomer had to wear a prosthetic nose and may have been murdered
Who was "Tycho Brahe"
The amount of time it would take for the Earth to learn that the sun had disappeared
What is 8 minutes
the amount of matter of that object…how much “stuff” it is made up of
What is "mass"
An astronomical system that places the Sun near the center of the solar system, with Earth and other planets orbiting around it
What is the "Heliocentric Universe Model"
Occurs when an object spins around another object
What is "Revolution"
This astronomer developed the three laws of planetary observation
Who was "Johannes Kepler"
A unit of length used by astronomers to measure distances within our solar system
What is an "astronomical unit"
the gravitational force exerted on an object by a celestial body
What is weight
Famous prehistoric megalithic monument located on Salisbury Plain in Wiltshire, England
What is "Stonehenge"
the shift in position of an object that comes from viewing it from two different points
What is "parallax"
This astronomer developed and mathematically popularized a modern heliocentric system in the 16th century
Who was "Nicolaus Copernicus"
The distance a beam of light travels in one Earth year in the vacuum of space
What is a "light year"
The change in the wavelength or frequency of light caused by the relative motion of a celestial object, toward or away from Earth
What is the Doppler Effect
A ring of tens of thousands of small rocky objects orbiting the Sun
What is the "Asteroid Belt"
Enables things around us to happen
What is "energy"
This astronomer linked the planetary trajectories to musical scales
Who was "Claudius Ptolemy"
A unit of measurement derived from trigonometry and geometry to describe the position of a very distant object in space relative to the Earth and the Sun
What is a "parsec"
When an astronomical object is moving toward Earth, its light waves compress, shifting its light toward the shorter-wavelength end of the spectrum
What is "blueshift"
A disk-shaped region beyond Neptune which contains hundreds of thousands of icy bodies that are larger than 62 miles across and an estimated trillion or more comets
What is the "Kuiper Belt"
Also known as the Comet Sphere, this giant spherical shell of icy, comet-like objects that surrounds our solar system far beyond the planets and Kuiper belt
What is "The Oort Cloud"
This astronomer took lessons from a local mirror-builder to help him make telescopes (Hint: he wasn't the only professional astronomer in his family)
Who was "William Herschel"
In miles, the distance from the sun to the earth
What is "94 MILLION miles"
when an object moves away its light waves stretch out, shifting toward longer wavelengths
What is "redshift"