Waves from space (P2)Tick the sentences that are true:1. Clayton answered students' questions through a school radio.2. The ISS is very noisy.3. Astronauts use robots to do simple work on the ISS.4 ……

first. 2. The average time for a space shuttle (航天飞机) to reach space from Earth is around 8 minutes... in space because radio waves (无线电波) can still be sent and received. ……

that can find gravitational waves (引力波) was announced by a group of scientists from the Laser... to stretch (伸展) and contract (压缩). The waves LIGO detected on Sept 14 came from a faraway galaxy about ……

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

in space-time that spread out at the speed of light, just as electromagnetic (电磁的) waves caused... was hidden from us. But thanks to the efforts of scientists from the California Institute of Technology ……

场)! FAST is like the ear of Earth. It “listens” to the radio waves (无线电波) in space. When there are “sounds” from other stars or life in space, FAST will help catch them. TEENS ……

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 ……

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 ……

rapid expansion, it created ripples in the fabric of space-time called gravitational waves... the waves themselves, Plait explains, but we can detect the effect they had on light coming from ……

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... waves it detected in September came from a faraway galaxy about 1.3 billion (十亿) years ago. They were ……

two satellites for the detection of gravitational (引力的) waves into planned orbit from the Xichang... two satellites for the detection of gravitational (引力的) waves into planned orbit from the Xichang ……

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 ……

) in space send out radio waves (无线电波). I collect those radio waves and turn them into information (信息... can be very weak (微弱的). All objects (物体) in space send out radio waves (无线电波). I collect those ……

”. It took more than five years to complete. FAST can get signals from very far away and help explore space... working in Guizhou, China. It is like the ear of Earth, helping humans search for radio waves (无线 ……