2017/08/16 QUESTION 1 WELCOME What is the most abundant gas found to the on Venus' atmosphere? SAASTA A. Carbon Dioxide AstroQuiz 2016 B. Nitrogen ROUND 3 C. Hydrogen D. Oxygen QUESTION 2 QUESTION 3 The most abundant gas found on Earth’s What is the largest known star so far? atmosphere is ________ A. Betelgeuse A. Carbon Dioxide B. UY Scuti B. Nitrogen C. VY Canis majoris C. Hydrogen D. Oxygen D. Sun QUESTION 4 QUESTION 5 Which of the below has a large storm Which of the following is a gas planet on its surface and one of its moons and has at least 27 moons. orbiting the planet backwards? A. Venus A. Venus B. Mercury B. Mercury C. Neptune C. Neptune D. Uranus D. Uranus 1 2017/08/16 QUESTION 6 QUESTION 7 Which of the following is an inner planet Which of the following is an inner planet and has clouds of sulphuric acid. and is usually referred to as morning or evening star? A. Venus A. Venus B. Mercury B. Mercury C. Neptune C. Neptune D. Uranus D. Uranus QUESTION 8 QUESTION 9 Which of the following is true about the The Moon does not have light of its Moon? own but ____ light from the Sun. A. It can be seen at night A. Reflects B. It can be seen during the day B. Refracts C. Sometimes we cannot see it at all C. Deflects D. All of the above D. Diffracts QUESTION 10 QUESTION 11 A meteorite is ______ Which of the following objects is made up of lumps of ice & rock and can take years to go around the Sun. A. Usually referred to as a “shooting star” B. Small particles thrown out by comets A. Meteorite C. Rocks from space that strike the Earth B. Comet D. Lumps of ice C. Meteoroid D. Asteroid 2 2017/08/16 QUESTION 12 QUESTION 13 Optical radiation is best known as ___ When ___ nears the Sun, the ice melts and gives off gas jets and clouds of dust. A. Invisible light A. Asteroid B. Visible light B. Meteoroid C. Dark energy C. Comet D. Dark matter D. Meteorite QUESTION 14 QUESTION 15 When a meteoroid enters the Earth’s One of the following objects is the atmosphere, it ____ smallest, densest of stars that would weigh about one million tons. A. Travels at a very fast rate , heats up and burns brightly A. White dwarf B. Travels at a very fast rate , cools down and burns brightly B. Supernova C. Slows down its speed, heats up and burns brightly C. Neutron star D. Slows down its speed, cools down and burns D. Massive star brightly QUESTION 16 QUESTION 17 Sunspots are ____ Light ____ a blackhole. A. Whiter spots on the Sun produced by magnetic fields A. Goes straight through B. Cooler areas on the Sun produced by magnetic fields B. Is reflected from C. Dark spots on the Sun caused by collision C. Cannot escape from with other celestial bodies D. Is refracted from D. Clouds around the Sun 3 2017/08/16 QUESTION 18 QUESTION 19 The largest optical telescope in What word is used to describe the shape Southern Africa is ______ of the moon’s orbit around the Earth? A. Hubble Space Telescope A. Ellipse B. Innes telescope B. Eclipse C. SALT C. Waxing D. HESS D. Waning QUESTION 20 QUESTION 21 Constellations are _____ About how long does it take light from the second closest star to Earth after A. patterns of stars in the sky the Sun to reach the Earth? B. clusters of stars very near each other in space A. 8 minutes C. groupings of planets in the sky B. 8 seconds D. close associations of stars and visible C. No time at all planets D. 4 years QUESTION 22 QUESTION 23 In which direction is the observed Which planet is called the red daily motion of the stars? planet? A. Always eastward. A. Mercury B. Always westward. B. Mars C. This varies with the seasons. C. Venus D. It depends on which hemisphere you are in. D. Earth 4 2017/08/16 QUESTION 24 QUESTION 25 The reason why this planet in Question 23 Which celestial body has been selected for above is called as thus is because _____ possible exploration as it has features that resemble that of the Earth? A. It has been named after the Roman god of war B. It is covered with iron oxide dust A. Neptune C. It has a mixture of mud & water which gives it the B. Pluto red appearance C. Mars D. of the reflection of light from the Sun D. Uranus QUESTION 26 QUESTION 27 The theory that explains how the Light travels at a speed of ___ universe began is called _____ A. 300 000 m/s A. The Blackhole Theory B. 300 000 km/s B. The Big Ben Theory C. 30 000 km/s C. Theory of relativity D. 30 000 m/s D. The Big Bang Theory QUESTION 28 QUESTION 29 Which telescope was part of the NASA’s Which planet in our Solar system deep space network of telescopes for supporting interplanetary & lunar missions? has the most gravitational pull? A. Saturn A. Hartebeeshoek Radio Astronomy Observatory B. Pluto B. South African Astronomical Observatory C. Earth C. Square Kilometre Array Telescope D. Jupiter D. Karoo Array Telescope 5 2017/08/16 QUESTION 30 Some comets take thousands of years to go around the Sun. THANK YOU A. True FOR PARTICIPATING B. False 6.