Universe Posted on October 6, 2023October 6, 2023 by Lusine Paradyan 29 Universe Pass the quiz and increase your knowledge about the universe. 1 / 15 What are the stars mainly made of? Rock Dust particles Hot liquid Hot gas Stars are made of very hot gas. This gas is mostly hydrogen and helium. 2 / 15 How may moons does the planet Mars have? Check Mars has two small moons named Phobos and Deimos. 3 / 15 Which planet in our solar system is known as ‘The Blue Planet’? Mercury Earth Uranus Neptune Earth is called the "Blue Planet" due to the abundant water on its surface. 4 / 15 What is the name of the tool used by astronauts that combines pliers and wrench? Plench Safety Tethers Robot Crane Wrepl A tool combining pliers and wrench is called plench. 5 / 15 Which is the second planet from the sun? Uranus Venus Jupiter Mercury Venus, the second planet from the sun, is the hottest and brightest planet in the solar system. 6 / 15 Which planet lies between Jupiter and Uranus? Select an answerSaturnNeptuneVenusMars Saturn lies between Jupiter and Uranus 7 / 15 Which is the largest planet in our solar system? Saturn Mercury Venus Jupiter The largest planet in our solar system by far is Jupiter, which beats out all the other planets in both mass and volume. 8 / 15 Which planet in our solar system takes the shortest time to orbit the sun? Saturn Mercury Venus Earth The planet with the shortest orbital period (year) is Mercury. The correct answer is Uranus! 9 / 15 Which planet in our solar system has a year which lasts around 84 Earth years? Mercury Neptune Saturn Uranus 10 / 15 The North Star is also known by what other name? Polaris Vega Altair Procyon The North Star is also known by Pole Star or Polaris. 11 / 15 Which is the fastest rotating planet in our solar system? Select an answerVenusPlutoJupiterMercury Jupiter is the fastest spinning planet in our Solar System rotating on average once in just under 10 hours. 12 / 15 The full moon seen closest to the time of the Autumn Equinox is commonly known as what? Full moon First quarter moon Harvest Moon Waxing crescent Moon We call the full moon closest to the September equinox by the name Harvest Moon. 13 / 15 How many planets make up our solar system? Check There are 8 planets in the solar system which include Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. 14 / 15 Which is the only planet in our solar system that rotates clockwise? Mercury Mars Jupiter Venus Unlike the other planets in our solar system, Venus spins clockwise on its axis. 15 / 15 What is the brightest star? Capella Arcturus Sirius Canopus Sirius is the brightest star in the night sky. Your score is Thank you for you time! Send feedback