Planets
What is The Great Red Spot?
The Great Red Spot is a storm on Jupiter, like a hurricane. It has been raging for more than 300 years!
How did Stephen Hawking speak?
Stephen Hawking spoke through a computer, which was called the CallText5010
How many dwarf planets are in our solar system?
3 - Ceres, Pluto, and Eris
Which four planets in our solar system are gas giants?
Jupiter, Saturn, Uranus, and Neptune are all gas giants. They are mainly composed of hydrogen and helium.
What is the hottest planet in Our Solar System?
The hottest planet in Our Solar System is Venus, due to its thick atmosphere that traps heat. The extreme temperatures on the ground can melt lead!
How are Lucy and Stephen Hawking related?
Lucy Hawking is Stephen Hawking's daughter. She was born in 1969.
What is an Earth year?
An Earth year is the time it takes for the Earth to complete one circle around The Sun. It is approximately 365.25 days.
What is a black hole?
A black hole is a region where gravity is so strong that no light can escape.
What planet has the largest volcanoes in The Solar System?
Mars has the largest volcanoes in Our Solar System. They can be 10 to even 100 times the size of volcanoes on the Earth!
Which famous scientist is the Hawking Radiation named for?
The Hawking Radiation is named for the physicist Stephen Hawking, who also co-authored the book.
In 2006, the International Astronomical Union said that which “planet” was no longer a “planet,” but was a “dwarf planet.”?
In 2006, the International Astronomical Union said that Pluto was no longer a “planet,” but was a “dwarf planet.” Pluto is made up of 1/3 water.
How often is Halley's Comet visible on The Earth?
Halley's Comet is visible on The Earth approximately every 76 years. The last time it passed by The Earth was in 1986.
Who discovered Saturn?
Galileo Galilei discovered Saturn in 1610.
How many years did Stephen Hawking live with his disease?
Stephen Hawking lived with his disease for 55 years, when he was told he wouldn't even live for 2 and a half years!
What was the name of the first robotic rover to land on Mars?
The first robotic rover to land on Mars was called the Mars Pathfinder. It landed on the Ares Vallis in 1997.
What is the name of the constellation named for a sea monster in Greek Mythology but that is also shaped like an otter: Procrustes, Hydrus, or Cetus?
The name of the constellation named for a sea monster in Greek Mythology but that is also shaped like an otter is called Cetus. It is the 4th largest constellation in the sky.
Who is Planet Neptune named after?
Neptune is named after the Roman god of the water and seas. Neptune's Greek equivalent is Poseidon.
Why was Stephen Hawking in a wheelchair?
Stephen Hawking was in a wheelchair because, at the age of 21, he was diagnosed with motor neuron disease, also known as ALS.
Which gas makes up the largest percentage of Earth's atmosphere: oxygen, argon, or nitrogen?
Nitrogen makes up the largest percentage of our atmosphere, with 78 percent.
What are comets made of?
Comets are made of old material from ancient, exploded stars such as dust and ice. When they get close to The Sun, they melt into gases.