Lisa Harvey-Smith on the Ska Mega-Telescope

Lisa Harvey-Smith on the SKA Mega-Telescope – Multiple Choice Questions 1. With current scientific technology, it is concluded that __% of our known matter is Baryonic matter, __% is Dark Matter, while __% is Dark Energy. A. 33, 27, 40 B. 7, 23, 70 C. 4, 23, 73 D. 9, 25, 66 2. Also called the National Astronomy and Ionosphere Center, the Arecibo Observatory is the world’s largest single-aperture radio telescope. It is located in ______. A. Mexico B. Iceland C. Jamaica D. Puerto Rico 3. The first picture ever made was an oval shaped depiction of the early universe, specifically the cosmic microwave background radiation.The intense blue, green, yellow and red hues depict ______. A. Fluctuations in temperature B. Infrared satellite data C. Sound waves D. Large concentrations of dark energy 4. The world’s first smart radio telescope received radio waves from the ______, then received the same signals bounced off the sea. This was helpful to create fine pinpoint pictu res of radio sources outside of our own galaxy. A. Horizon B. Mountains C. Atmosphere D. Glaciers 5. The world’s largest optical telescope is located on a mountain in the Canary Islands.Capable of making exquisitely detailed pictures of the sky, this particular telescope has a massive mirror ofjust over __ meters across. A. 6 B. 8 C. 10 D. 12 6. The Australian telescope compacting ray, composed of 6 radio telescopes took over ____ hours of observing and a 400 image mosaic to create a solid picture of the universe. A. 120 B. 1200 C. 12000 D. 120000 7. Within the early 1900’s, Albert Einstein concluded that space and time actually bends around certain objects with gravitational pull and mass. This can be visualized by the comparison of ______ . A. A puck hitting a net and the net bending to accommodate the force B.The stretch of rubber band and the snapping affect C. The return of a boomerang D. The bending of metal as it is heated 8. The Hubble Telescope is a small tele scope, but it is effective for developing clear images because there are no _____ distortions, in comparison to on-earth telescopes. A. Ultra-Violet B. Photon C. Bird and wildlife D. Atmospheric 9. Scientists won the Noble prize for discovering that the Universe is expanding at a rate much faster than previously anticipated. There are several names used to describe this expansion effect, but the most accepted is ______. A. Quintessence B. Vacuum Energy C.Cosmological Constant D. Dark Energy 10. There are several problems with developing new Radio Telescopes, one of these challenges is overcoming interference and finding a location without human activity. However, a place without human activity is also problematic because ___________. A. The location is too far for scientists and astronomers to commute B. There are no large power stations to generate the electricity required to operate telescopes C. With such a great distance from civilization, it will take a long time to transmit in formation D. Emergency teams will not be able to make it in time in the case of an emergency