Who was the first to promote the heliocentric universe?
Copernicus
Question 4
Oldest astronomical time piece in existence?
Stonehenge
Question 5
Famous for the invention of telescope?
Galileo
Question 6
Telescope that covers 1/3 of the sky and collects radios waves that is sent to a receiver.
Radio Telescope
Question 7
Telescope that uses MIRRORS?
Reflecting Telescope
Question 8
Telescope that uses LENSES?
Refracting Telescope
Question 9
Who worked in a great observatory in Europe and made the most accurate observations of the universe?
Brahe
Question 10
Developed the 3 laws dealing with ellipses?
Kepler
Question 11
Provided observational proofs that the earth is a sphere?
Aristotle
Question 12
List one problem with optical astronomy.
Need darkness, light pollution, atmosphere interferes
Question 13
Collection of stars, dust, and gas bonded together by gravity?
Galaxy
Question 14
An instrument that collects electromagnetic radiation from the sky?
Telescope
Question 15
What is the apparent backward motion of planets called?
Retrograde motion
Question 16
Shape of the orbit around the sun?
Ellipse
Question 17
What causes day and night?
Rotation
Question 18
Described as the power or the strength of the telescope?
Magnification
Question 19
The diameter of the lens or the mirrors?
Aperture
Question 20
List four reasons people began watching the night sky.
Entertainment, time, religion, navigation
Question 21
Which has the largest effect on eccentricity (how elliptical the shape is), the distance between the foci or length of the ellipse?
Distance between foci
Question 22
What is the equation for eccentricity? *Using e, d, and L…
E = d / L
Question 23
If the area of sector A of a planet around the sun is 3947 m2, according to Kepler’s second law the area of another sector (sector B) that represents the same amount of time should be?
3947 m2
Question 24
What is right ascension AND what unit is it measure in?
Celestial Longitude; measured in hours and minutes
Question 25
What is declination AND what unit is it measured in?