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Wiesemans Universe

Wieseman's Universe & Solar System Stack

Which planet rotates on its side and backwards? Uranus
Which planet rotates backwards - retrograde rotation? Venus
Which planet has evidence that water once flowed over its surface? Mars
Which planet is the hottest because of its thick atmosphere of carbon dioxide? Venus
Which planet is called "Earth's twin" because of is similar size? Venus
What is the theory that states our universe formed when a small, densely packed amount of matter exploded, sending material into space in all directions? big bang theory
What astronomer was the first to use a telescope to observe the night sky? Galileo
Which astronomer, along with Aristotle, supported the geocentric model of the universe? Ptolemy
What two forces keep planets in orbit around the sun? gravity and inertia
What is the largest planet in our solar system? Jupiter
What type of galaxy is shaped like a pinwheel? spiral
Which planet has the Great Red Spot? Jupiter
Which model of the universe placed the sun in the center? heliocentric
Which model of the universe placed Earth in the center? geocentric
A small, rocky body traveling in space is called a __________. meteoroid
A bright streak of light in the sky is formed from a _______ burning up in Earth's mesosphere. meteor
What is a "shooting star"? meteor
A small, rocky body that lands on Earth's surface is called a ________. meteorite
What is an object in space that is made of ice, dust, and gas called? comet
A light-year is used to measure ______ in space. distance
Which planet is rust-colored and has polar ice caps? Mars
Asteroids are _______ than meteoroids. bigger
What is the outer atmosphere surrounding the nucleus of a comet called? coma
Scientists believe that our solar system formed from a collapsing _______. nebula
As a comet approaches the sun, its tail points _______________ from the sun. away
Our solar system is believed to be on an _____ _____ of the Milky Way galaxy. outer arm
Most asteroids are found in the asteroid belt which is between the orbits of _______ and _____. Mars and Jupiter
Because of its mass, _____ has the largest gravitational pull of all the planets in our solar system. Jupiter
What gives a planet its year? revolution
What gives a planet its day? rotation
The gas giants' densities are ______ than that of the terrestrial planets. less
Earth is an _____ planet. inner
Created by: emilywieseman