Quiz 29 - A
polish astronomer who proposed a heliocentric system of the universe
Who is Nicolaus Copernicus
a planet's closest point to the sun
What is perihelion
speediest planet
What is Mercury
The moon's dark patches
What is maria
first new planet discovered
What is Uranus
scientist who discovered the law of universal gravitation
Who is Sir Isaac Newton
Earth travel faster than the outer planets sometimes appear to move how
What is backward
planet suitable for life
What is Earth
What is Olympus Mons
planet discovered mathematically
What is Neptune
astronomer whose book Almagest mathematically described the geocentric view of the universe
Who is Ptolemy
study of God's creation beyond our atmosphere is called
What is astronomy
"evening star" and "morning star"
What is Venus
planet that rotates backward from east to west, has ________ rotation
What is retrograde rotation
largest moon in the solar system
What is Ganymede
astronomer who discovered the phases of Venus
Galileo Galilei
What forms the sun, planets, the planets' moons and other smaller bodies that orbit the sun
What is the solar system
the red planet
What is Mars
phenomenon that occurs when the full moon passes through the earth's shadow
What is lunar eclipse
most volcanically active body in the solar system
What is Jo
symmetrical oval shape that a planet's orbit has
What is ellipse
What term describes the amount of time needed for half of a parent element to decay into its daughter clement
What is half-life
What is Mercury
any object that orbits another object
What is a satellite
only moon in the solar system with a thick atmosphere
What is Titan