PLANETAS

What is the largest planet in our solar system?

• Saturn
  

• d) Earth

• ) Neptune

• Jupiter

Answer explanation

Jupiter is the largest planet in our solar system, significantly larger than Saturn, Earth, and Neptune. It has a diameter of about 86,881 miles (139,822 kilometers), making it the most massive planet.

Which planet is closest to the Sun?

• Mercury
  

• d) Mars

• c) Earth

• b) Venus

Answer explanation

Mercury is the closest planet to the Sun, orbiting at an average distance of about 57.91 million kilometers. This makes it the first planet in our solar system, while Venus, Earth, and Mars are farther away.

What is the name of our galaxy?

• a) Andromeda
  

• b) Orion

• c) Orion

• d) Milky Way

Answer explanation

The correct answer is d) Milky Way, which is the name of our galaxy. Andromeda is another galaxy, while Orion refers to a constellation, not a galaxy.

What protects Earth and gives it a blue color from space?

• a) Gravity
  

• b) Oceans

• c) Atmosphere

• d) Clouds

Answer explanation

The atmosphere protects Earth by filtering harmful solar radiation and retaining heat. It scatters sunlight, giving Earth its blue color when viewed from space, making it the correct answer.

Which planet is known for its rings?

• Jupiter

• Earth

• Saturn

• Venus
  

Answer explanation

Saturn is well-known for its stunning rings, which are made up of ice and rock particles. While Jupiter has faint rings, Saturn's rings are the most prominent and easily recognizable feature among the planets.

What is the main component of the Sun?

• Helium

• Carbon

• Hydrogen

• Oxygen
  

Answer explanation

The Sun is primarily composed of hydrogen, which makes up about 74% of its mass. Helium follows as the second most abundant element. Carbon and oxygen are present in much smaller amounts.

Which celestial body is known as the Red Planet?

• Jupiter

• Earth
  

• Venus

• Mars

Answer explanation

Mars is known as the Red Planet due to its reddish appearance, which is caused by iron oxide (rust) on its surface. This distinguishes it from other planets like Jupiter, Earth, and Venus.

What are large pieces of rock that orbit the Sun called?

• a) Satellites
  

• d) Moons

• c) Asteroids

• Meteors

Answer explanation

Large pieces of rock that orbit the Sun are called asteroids. They are distinct from satellites and moons, which refer to objects that orbit planets, and meteors, which are the streaks of light produced when meteoroids enter the atmosphere.

Which planet is known as the hottest in our solar system?

• d) Jupiter

• 
  b) Venus
  

• c) Mars

• a) Mercury

Answer explanation

Venus is the hottest planet in our solar system due to its thick atmosphere, which traps heat through the greenhouse effect, making surface temperatures higher than those on Mercury, despite being further from the Sun.

Which planet is known for having the most moons?

• Neptune

• Uranus

• Saturn

• Jupiter

Answer explanation

Saturn is known for having the most moons, surpassing both Jupiter and the other gas giants. As of now, Saturn has 83 confirmed moons, making it the planet with the largest number of natural satellites in our solar system.