Planets
List the planets in order from closest to the sun to farthest away.
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
What was the very first "tool" used by astronomers to make observations about the world around them
The human eye!
The millions of rocky objects revolving around the sun, mostly between Mars and Jupiter, that are too small to be planets are called
The force of gravity is greatest between two objects when masses are ___________ and objects are ____________
large; close
The time it takes for an object to go around the sun.
Revolution
What type of planets are described as: smaller, denser, and rocky
Inner Planets
What is the purpose of the rover?
To take samples of rocks/metals for scientists on Earth to study.
To tell us more about Martian terrain
Is the farthest planet
Neptune
The body at the center of our solar system is -
The sun
What could be described by this phrase: "Power Up: It provides energy to give Earth light and heat"
The sun
Place the solar system components in order from largest to smallest: Jupiter, Moon, Sun, Earth
Sun, Jupiter, Earth, Moon
The most simplest type of telescope
Refracting Telescope
Is the biggest planet
Jupiter
What best describes why the moon orbits the Earth?
The gravitational attraction between the moon and Earth
Besides Earth, humans have also landed on which celestial object?
The moon
In 2006, the International Astronomical Union demoted which planet to dwarf planet status?
Pluto
Name the two space-based telescopes that take really awesome pictures of space
James Webb
Hubble Telescope
What:
• is made of ice and dust
• travel in long elliptical orbits around the sun
• have tails that point away from the sun
Comets
If Earth began to rotate faster around the sun, then-
...
Which invention helped prove the geocentric (Earth-centered) model of the universe wrong?
The telescope
Is known for its amazing rings
Saturn
Used by ancient civilizations form mapping constellations and planetary paths
Astrolabes
An engineer is designing a new protective gear for astronauts aboard the International Space Station. After building a device, what should the engineer do?
Test the device to see improvements that could be made.
What would happen to Earth if the sun’s gravitational force suddenly stopped?
Earth would leave its orbit and travel in a straight line.
Can there ever be a fully to scale picture of our solar system? Why or why not?
Too far apart
Too big of a size difference