场)! FAST is like the ear of Earth. It “listens” to the radio waves (无线电波) in space. When...Earth has a new “ear”Are there aliens (外星人) in the universe? If there are, FAST may help find them ……

in space-time that spread out at the speed of light, just as electromagnetic (电磁的) waves caused... waves, according to Szabolcs Marka, a Columbia University professor working on LIGO, could open a new ……

things in space look like.In this new experiment, scientists turned these waves into sounds...镜) to “see” things in space. These telescopes pick up x-rays (X射线) and infrared waves (红外 ……

humans “listen” to radio waves (无线电波) from space. The telescope is 500 meters in diameter (直径... to complete. FAST can get signals (信号) from very far away and help look for life in space and new stars ……

are they important? Well, gravitational waves are made by black holes and can change time in space... released by the crash created ripples (涟漪) in space. These ripples are gravitational waves.Imagine you ……

From the oceans to outer space, the country is leading the field of high-tech engineering achievements.(A18-A23) ……

of space-time and *propagated outward in *gravitational waves.Then, on Sept 14, 2015, a group of scientists detected the waves. On Feb 11, an announcement came from the Laser Interferometer Gravitational ……

time, gravitational waves – a space phenomenon that German-born American physicist Albert Einstein..., finding gravitational waves gives us new knowledge of cosmic (宇宙的) events like the Big Bang and black ……

is becoming a reality (现实).On Sept 15, US space tech company SpaceX sent four civilians (平民) into space, kicking off (开启) the company’s new space tourism business. The four spent three days in space ……

 New Scientist (Aug 5)(Aug 5)A theory (理论) goes that gravitational waves (引力波) leave small... that gravitational waves (引力波) leave small changes in space and time as they pass by. These changes ……

have probably seen their best days.In fact, tech has always worked this way. New markets emerge... that insects moved by creating waves on the water's surface. In fact, the insects use their legs like ……

HE could stop traffic on New York's Fifth Avenue like the Beatles. He could have been Israeli... papers in 1905 that fundamentally changed our grasp of space, time, light and matter. He topped himself ……

in space because radio waves (无线电波) can still be sent and received....Help Crystal the cat reach his rocket.Fun facts about space travel1. In order to find out if humans ……

working in Guizhou, China. It is like the ear of Earth, helping humans search for radio waves (无线电波) in space. The telescope is 500 meters in diameter (直径), beating the second biggest one in Puerto Rico ……

change time in space.2. What does the underlined “They” in Paragraph 2 refer to?A. Gravitational waves...Choose the answer:1. Which of the following about gravitational waves is NOT true?A. Albert ……