in space. Just a small change in its speed is all we need to make a big difference in the path an asteroid... speed is all we need to make a big difference in the path an asteroid travels.”The data collected from ……

NASA (美国国家航空航天局) scientists are making plans to visit an asteroid (小行星) before 2025... asteroid could also help scientists plan for ways to protect Earth if an asteroid hit it.Earlier ……

For those who love to study the skies, you will soon have the chance to see an asteroid (小行星) up... approach for an asteroid of this size,” NASA said in a statement.The encounter (相逢) on April 19 ……

科学家为人们揭开恐龙诞生之谜。AN asteroid (小行星) strike may have killed off dinosaurs millions of years ago... have been a comet or asteroid impact about 200 million years ago.The impact could have killed off ……

asteroids strikingC. we are sure to die from asteroids strikingD. we may face a bigger danger because of the experimentD. we may face a bigger danger because of the experiment ……

to 1. He thinks the asteroid may hit a man-made (人造的) satellite in 2029.This would change Apophis... that the asteroid will hit us, NASA said."We stand by our numbers," Nasa spokesman Dwayne Brown said ……

by nationalist French. D. The campaign may turn around the globalization trend. How safe are we? (P6)Choose... asteroid hits16. Scientists have long been worried that ______.A. an asteroid will hit the Earth one ……

An illustration of Comet 238P/Read. NASA  惊人发现：韦伯望远镜在彗星周围探测到水蒸气！惊人发现：韦伯望远镜在彗星周围探测到水蒸气！词数... detection (发现) of water vapor (水蒸气) in the solar system’s main asteroid belt (小行星带), said Science ……

器成功抓取小行星样本。After two years of circling Bennu, an ancient asteroid (小行星) hundreds of millions of kilometers away... OSIRIS-REx blasted off (发射升空) in 2016 with the goal of getting samples from the asteroid. On Oct 20 ……

小行星撞地球不会是末日来临。IN the film Armageddon (《绝世天劫》), an asteroid (小行星) the size of Qinghai province.... They are often grouped together, as in an asteroid belt. Some are only a few meters big, while others ……

forms on the planet."But if we are able to spot an asteroid sufficiently ahead of time, say 20 to 30 years in advance, we can take steps to avert catastrophe," Harris said."We could still be caught off ……

was much smaller, which made it harder to spot. But what if we do spot an asteroid that is headed...小行星来袭该如何应对？SIXTY-FIVE million years ago, an asteroid (小行星) that crashed on Earth led ……

). Last week they reached an agreement — a huge asteroid (小行星) wiped them out.After looking at 20 years... recovering from the hit.Will another huge asteroid hit our Earth? Scientists say we don’t have ……

Chinese astronomers have named an asteroid after Jin Yong, a bestseller writer of kungfu novels. The naming ceremony of asteroid No 10930, discovered by a Chinese astronomer in 1998, took place ……

," warns Prof Fitzsimmons.What is an asteroid? ASTEROIDS are ancient remnants of the earliest years... rocks to objects that are hundreds of kilometres in diameter.What is an asteroid? ASTEROIDS are ancient ……