THE SOUTHWORTH PLANETARIUM 207-780-4249 www.usm.maine.edu/planet <http://www.google.com/url?q=http%3A%2F%2Fwww.usm.maine.edu%2Fplanet&sa=D&sntz=1&usg=AFQjCNHulkHuLP13bOG2PkNrPazsGWFs2A> 70 Falmouth Street Portland, Maine 04103 43.6667° N 70.2667° W Altitude: 10 feet below sea level Founded January 1970 Julian Date: 2459237.18 2020-2021: LXXVII THE DAILY ASTRONOMER Friday, January 22, 2021 Exploratorium XII: Week 3 Quiz The third week has passed already! More world mythology and more exploration. And, of course, there will be more of the same next week. For now, we return to Earth for a 10-question quiz about the latest explorations! *1. What is the literal translation of the term "Doppelgänger?"* a. "Twin" b. "Double Walker" c. "Double Spirit" d. "Second Soul." *2. What is the technical term for "wormhole?"* a. Quantum fluctuation conduit b. Feynman-Hawking Bridge c. Einstein-Rosen Bridge d. Kirk-Spock Tunnel *3. How far away is the nearest known black hole?* a. 10 light years b. 100 light years c. 1000 light years d. 10,000 light years *4. Nuit was the goddess of ___________* a. the wind b. the Sun c. Earth d. the sky *5. In what year did Hypathia of Alexandria die?* a. 312 AD b. 378 AD c. 415 AD d. 478 AD *6. Why did Comatas' master lock him in a chest?* a. because he sacrificed one of the master's goats to the muses b. because he fell asleep when he should have been tending to the goats c. because he refused to kill the master's wife d. because he played music when he should have been working *7. Why was Comatas still alive when the master opened the chest six months after placing him inside it?* a. Comatas swallowed a phial of immortality elixir given to him by the muses b. bees brought him honey and water each day through the keyhole during those six months c. Circe cast a spell on the chest to make its wood edible d. none of the above *8. Why does the Sun appear yellow?* a. because of its temperature b. because of its mass c. both a and b d. because of Earth's atmosphere *9. The distance separating the Sun and Alpha Centauri, the closest star, is about equal to ________________ miles.* a. 25 million b.25 billion c. 25 trillion d. 25 octillion *10. The first dog in space was named __________.* a. Lassie Matrix b. Laika c. Leviathan d. Astro ANSWERS 1. *1. What is the literal translation of the term "Doppelgänger?"* b. "Double Walker" A Doppelgänger is generally a spirit that assumes another person's appearance. The name derives from the German term meaning "Double Walker." *2. What is the technical term for "wormhole?"* c. Einstein-Rosen Bridge Albert Einstein and Nathaniel Rosen determined that the General Relativity field equations allowed for the existence of wormholes, or passageways connected to black holes. Although these conduits are popularly known as "wormholes," they are technically known as "Einstein-Rosen Bridges." *3. How far away is the nearest known black hole?.* c. 1000 light years This black hole is located within the HR 6819 system in the direction of the Telescopium constellation. *4. Nuit was the goddess of ___________* d. the sky She arched her star-adorned body over the world. She swallowed the Sun before evening and gave birth to it each morning. *5. In what year did Hypathia of Alexandria die?* c. 415 AD *6. Why did Comatas' master lock him in a chest?* a. because he sacrificed one of the master's goats to the muses The master counted the goats each night and found that one was missing. When he learned that Comatas had sacrificed one of them, he had the shepherd locked in a chest. *7. Why was Comatas still alive when the master opened the chest six months after placing him inside it?* b. bees brought him honey and water each day through the keyhole during those six months So when the master released Comatas, the former was rather surprised to see the latter still alive. After he removed Comatas from the chest, a bee followed. Knowing that bees were sacred to the muses, the master realized that his shepherd had curried the muses' favor and treated him kindly for the remainder of his life. *8. Why does the Sun appear yellow?* d. because of Earth's atmosphere The Sun isn't actually yellow. It appears yellow to us because of the way Earth's atmosphere scatters light. *9. The distance separating the Sun and Alpha Centauri, the closest star, is about equal to ________________ miles.* c. 25 trillion Alpha Centauri is slightly more than 4 light years away from Earth. One light year equals 5.8 trillion miles *10. The first dog in space was named __________.* b. Laika Unfortunately, Laika died of heat exposure during the descent. To subscribe or unsubscribe from the Daily Astronomer: https://lists.maine.edu/cgi-bin/wa?SUBED1=DAILY-ASTRONOMER&A= <https://lists.maine.edu/cgi-bin/wa?SUBED1=DAILY-ASTRONOMER&A=1>