Space
Physics
Sports
Vehicles
200

How many planets is there in the Milky Way?

800 Billion-3.2 Trillion planets

200

Galileo Galilei made the theory that if you drop a hammer and a feather they will hit the ground at the same time. David wanted to test this. It was true! But how?!

Galileo Galilei was an astronomer, remember? So his theory was on the moon. The gravity on the moon is different. That means David went to the moon to test this. And since the gravity on the moon is different than here on Earth, the theory was true! (On the moon only).

200

Kobe Bryant is the most popular basketball player in the world. True or false?

True!

200

What is the most dangerous vehicle?

Mitsubishi Mirage: 205 Deaths Per Million Registered Vehicles.

300

How many humans on earth?

9.8 billion

300

LeBron James changed his number from 23 into 6. True or false?

True! He did 23 because it was his favorite basketball players number, Michael Jordan's number. LeBron James changed it to 6 because in school his number was 6.

300

Planes are safer than cars. True or false?

True! The overall fatality risk is 0.23% on a plane —  you would need to fly every day for more than 10,000 years to be in a fatal plane crash. On the other hand, the chances of dying in a car collision are about 1 in 101.

400

How many planets in the universe?

With ~2 trillion galaxies within our observable Universe, we can extrapolate our Universe's planetary total. There are ~1025 planets that orbit stars, with some ~1026-1030 additional starless planets.

400

Is Cristiano Ronaldo the most popular soccer player, or Lionel Messi?

Cristiano Ronaldo is the most popular with 791.6 million followers, while Lionel Messi is coming in at second place with only 526 million followers.

500

The moon is slowly going away from Earth. True or false?

True! Using the speed of light, scientists estimated that the moon is straying away from Earth by about 1.5 inches (3.8 centimeters) per year. Phew!

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