托福閱讀機(jī)經(jīng)背景資料之英仙座流星雨

1、智課網(wǎng)TOEFL備考資料托福閱讀機(jī)經(jīng)背景資料之英仙座流星雨摘要:托福閱讀機(jī)經(jīng)背景資料之英仙座流星雨!小編在這里為大家整理了一些托福閱讀機(jī)經(jīng)的背景材料,托福閱讀重在對(duì)于對(duì)大量英文讀物的涉獵,只有了解托福閱讀機(jī)經(jīng)背景知識(shí),同學(xué)們才能快速了解文章考察點(diǎn),希望各位同學(xué)在閑暇之余認(rèn)真揣摩。托福閱讀機(jī)經(jīng)背景資料之英仙座流星雨!小編在這里為大家整理了一些托福閱讀機(jī)經(jīng)的背景材料,托福閱讀重在對(duì)于對(duì)大量英文讀物的涉獵,只有了解托福閱讀機(jī)經(jīng)背景知識(shí),同學(xué)們才能快速了解文章考察點(diǎn),希望各位同學(xué)在閑暇之余認(rèn)真揣摩。Sky-watchers could be in for "fantastic views&q

2、uot; over the next two days as the Perseid meteor shower reaches its peak.According to Nasa, the shower could produce a display of up to 80 meteors per hour."A waxing crescent moon will set before the shower becomes active, setting a perfect stage for meteor watching," said the US space ag

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4、or the best views.John Mason from the British Astronomical Association (BAA told BBC News: "Weather-permitting, we should be infor a very good show across the UK."The shower has been ongoing for a week now and we have already seen some very bright meteors whizzing overhead."The Persei

5、d meteor shower is caused by debris from the comet Swift-Tuttle.Every 133 years, the huge comet swings through the inner part of our Solar System and leaves behind a trail of dust and gravel.When Earth passes through the debris, specks hit our atmosphere at 140,000mph and disintegrate in flashes of

6、light.The Royal Astronomical Society (RAS said the relatively warm summer nights would make this meteor shower one of the more comfortable to watch.* The meteors are called the Perseids because they appear to fly out of the constellation Perseus* The yellow dot marks the Perseid radiant. The meteors can appear in any part of the sky, but all of their tails willpoint back to there* The best views of the meteor shower are likely to be i