Solar System
Constellations
Planets
Scientists
100

The smallest planet in the Solar System is...

Mercury

100
In which constellation is the Polar star located?

Ursa Minor

100

Which planet was downgraded to "dwarf planet" in 2006?

Pluto

100

Who is the "father of astronomy" who discovered the four largest moons of Jupiter?

Galielo Galielii

200

Does "the red planet" exist? If yes, what is it?

Mars

200

How much are the zodiac constellations?

12

200


Which planet has the most moons?



Jupiter - 95 moons

200

Who is the scientist who proved the laws of motion and gravity? Hint: an apple fell on his head?!

Isaac Newton

300

Which planet is famous for its rings?

Saturn

300

How many constellations have been discovered by now?

88

300

Which planet is known as the "evening star" or "dawn star" because it is visible either after sunset or before sunrise?

Venus

300

Who was the first scientist to suggest that the Sun, not the Earth, was at the center of our solar system?
Nicolaus Copernicus OR Johannes Kepler

Nicolaus Copernicus

400

On which planet the day is longer than the year?

Venus

400

In which constellation is the star Betelgeuse located?

Orion

400

Which planet is known for its violent winds, reaching speeds of 2400 km/h?

Neptune

400

Who was the first person to use a telescope to observe the night sky?

Galileo Galielii

500

What is Ganimed?

The biggest moon of Jupiter!

500

Is it true that the Pleiades (an open star cluster) are located in the constellation Taurus?

TRUE

500

Which planet has the largest volcano in the solar system?  Hint: "red planet"

Mars

500

Which scientist proved that the universe is expanding?

Edwin Hubble

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