Planet Facts
Which planet is known for having a red, iron-rich surface?
What movement of Earth causes day and night?
Rotation
Name the first human to walk on the Moon.
Neil Armstrong
What phase of the Moon occurs when it is fully illuminated as seen from Earth?
Full moon
What is the term for the force that keeps planets in orbit around the Sun?
Gravity
Name the hottest planet in our solar system.
Venus
How long does it take for Earth to complete one revolution around the Sun?
365 Days
What was the name of the first human-made satellite?
Sputnik 1
Which phase comes one week after the new moon?
First quarter
What is the path called that Earth takes as it travels around the Sun?
Orbit
Which planet is famous for its large rings?
Saturn
Why do we experience different seasons?
Earth is tilted at its axis and orbit around the sun. It changes the amount of direct sunlight we receive.
Which telescope has provided detailed images of space from outside Earth’s atmosphere?
Hubble Space Telescope
What causes the different phases of the Moon?
The Moon’s orbit around Earth changes how much of its lit side we see
Name the action of Earth spinning on its axis.
Rotation
Identify the only planet known to support life.
Earth
What is the difference between Earth's rotation and revolution?
Rotation is the spinning on its axis; revolution is its orbit around the Sun
What rover explored the surface of Mars, giving insights into its geology?
Curiosity
List the phases of the moon
New moon, waxing crescent, 1st quarter, waxing gibbous, full moon, waning gibbous, 3rd quarter, waning crescent.
What is a natural satellite that orbits a planet called?
Moon
Which is the largest planet in our solar system?
Jupiter
What causes a solar eclipse?
The Moon passes between Earth and the Sun
Name the mission that first landed humans on the Moon.
Apollo 11
Describe how a lunar eclipse occurs.
Earth passes between the Sun and Moon, casting a shadow on the Moon
What is a system of stars, gas, and dust held together by gravity
Galaxy