1 tommorow 2015-10-05 2 exo 2015-10-02 3 dairy 2015-09-30 4 shortest woman 2015-09-24 5 Suffer from Anemia 2015-09-23 6 festival 2015-09-22 7 Red Double Decker Buses 2015-09-21 8 Elephant 2015-07-24 9 Smurf Town in Spain 2015-07-20 10 Rudolph in New York? 2015-07-17 1 2 3 4 5 6 7 8 9 10 [다음10개]   회 원 박효정 작성일 2015-03-11 Weather    Feeling  Pleasure 제 목 Comets Are Lighting Up the Sky 내 용 On many nights, the brightest thing in the sky will be the moon, and sometimes, there may even be some especially bright stars. Comets are usually made of ice, dust, and small rocks. They can range in size, anywhere between 300 m to 30 km wide. Many comets can even be seen by the naked eye without a telescope or even binoculars.There are many famous comets, including Halley’s Comet and the Hale-Bopp Comet. Some comets visit our sky often, while others require thousands, or even millions of years, to return. For example, Halley’s Comet returns to our sky every 75 to 76 years, while other comets require over 100,000 years.Comets have been recorded since ancient times. The ancient Romans experienced a famous comet named Caesar’s Comet in 44 BC, and they believed it came because of Julius Caesar’s death. 답변자 ts0068 답변일 2015-03-11 답변내용 On many nights, the brightest thing in the sky will be the moon, and sometimes, there may even be some especially bright stars. *GOOD SENTENCE! Comets are usually made of ice, dust, and small rocks. *GOOD SENTENCE! They can range in size, anywhere between 300 m to 30 km wide. *GOOD SENTENCE! Many comets can even be seen by the naked eye without a telescope or even binoculars. *GOOD SENTENCE! There are many famous comets, including Halley’s Comet and the Hale-Bopp Comet. Some comets visit our sky often, while others require thousands, or even millions of years, to return. *GOOD SENTENCE! For example, Halley’s Comet returns to our sky every 75 to 76 years, while other comets require over 100,000 years. *GOOD SENTENCE! Comets have been recorded since ancient times. *GOOD SENTENCE! The ancient Romans experienced a famous comet named Caesar’s Comet in 44 BC, and they believed it came because of Julius Caesar’s death. *GOOD SENTENCE!