Composition of the Universe
The sun is a star (True or false)
True
How many planets are in our solar system?
Eight
What do Rovers do? (include location)
Explore planetary surfaces (e.g., Curiosity on Mars).
Is a comet made out of Ice & rocks or Fire & rocks
Ice & rocks
What two factors affect gravity?
mass and distance
What is the name and shape of the galaxy that contains Earth?
The Milky Way Galaxy (Spiral)
What 4 planets are considered Gas Giants?
Jupiter, Saturn, Uranus, Neptune.
What is the purpose of an observatory? (include location)
to study space while on Earth
What separates the Inner and Outer Planets?
Asteroid Belt
As two objects gets closer, their gravitational pull ______.
increases
a supermassive black hole
Planets that are rocky and dense and found within the inner solar system are referred to as the...
Terrestrial Planets
Device that makes objects far away objects appear closer by using mirrors and focusing light
Telescope
Large chuck of ice, dust, gasses, and rock that orbit the sun. They are sometimes referred to as "dirty snowballs"
Comet
As mass increases gravity ________
increases
What is an exoplanet?
A planet outside of our solar system
Why is Pluto not a planet?
It does not have enough gravity to clear away debris/ objects in its orbit
What tool orbits Earth for observation, communication, GPS, or studying Earth/space?
Satellites
This is known as the birth place of a comet (need 2 locations)
What is the Oort Cloud (Beyond Pluto) and Kuiper Belt (Between Neptune and Pluto)
Why doesn't Mercury have any moons? (Need 2 reasons)
It's too close to the sun and too small
Place these items in order from largest (top) to smallest (bottom)
star, solar system, planet, universe, moon, galaxy
Universe
Galaxy
Solar System
Star
Planet
Moon
Name the eight planets in order from the sun starting with the closest to the sun.
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune
Distances in space can be measured in what two ways? (need both)
Astronomical units (AU) and light years
A chunk of rock from outer space that burns up in the atmosphere.
Meteor
Why does Jupiter have the most moons?
It has the most mass