Science and Technology: Solar System Challenge Flashcards
Which is the second-largest planet in the solar system?
Saturn – Saturn is about nine times wider than Earth, with an equatorial
diameter of about 74,898 miles.
How many known moons does Jupiter have?
ninety-five (95)
Which planet is famous for its Great Red Spot?
Jupiter
Which is the most abundant gas in Earth’s atmosphere?
Nitrogen or N2
The missions that landed 12 men on the moon between 1969 and 1972 were part of which NASA space program?
The Apollo Program
. Which planet has the shortest length of orbit?
Mercury
Our solar system is located in the ______________ Spur of the Milky Way.
Orion
According to NASA, the Sun, which is the largest object in our solar system, has a diameter of about __________________ miles
865,000
Which atmospheric layer lies beneath Earth’s stratosphere?
Troposphere
Which planet is sometimes described as Earth’s twin because of its similarity in size?
Venus
Who was the last astronaut to walk on the moon?
Eugene Cernan
What did astronomer William Herschel discover in March 1781?
Uranus
There are two regions of space beyond Neptune filled with comets. What is the name of the innermost region, which is shaped like a doughnut?
The Kuiper Belt or Kuiper Belt
. When were the first satellite pictures of Earth seen?
1959
Which of the four giant planets is the smallest?
Neptune
What is the largest moon in our solar system?
Ganymede
This planet is frequently called the “Red Planet” because iron minerals in the Martian dirt oxidize, or rust, causing the surface to look red.
Mars
Titan is the largest of which planet’s moons?
Saturn
How do stars produce energy?
By nuclear fusion
. What are the two basic parts to a black hole?
The singularity and the event horizon
What is a binary star system?
Two stars orbiting each other
What was NASA’s Kepler Mission (2009-2018) designed to search for?
Exoplanets (Earth-sized planets orbiting stars outside of our solar system)
