They are astronomers (天文学家) and they look at the stars. Other people design and make machines and these machines travel in space. Astronauts go up into space and look at the earth. They also take photos of the
Astronomers seek to understand the nature, composition, behavior, and evolution of these objects, as well as the larger structure and dynamics of the universe. Astronomers employ a range of tools and methods to conduct their research. They use telescopes, both on the ground and in space, to ...
From Martian winds to Saturn’s aurora, how sounds in space add to our understanding of the universe
【题目】题材体裁科普知识难度系数说明文词数★★★题数177阅读时间正确率Do you know what it is like in the universe beyond our planet? When you look up the sky at107分钟night, and if you are I.times on, astronomers(天文学家) have 2.(luck) enough, it should be filled with shining stars...
Lindsay Dodgson
For the first time ever, astronomers have discovered a sys-1. What does Thomas say about the im-tem of seven Earth-sized planets orbiting around a single star.portance of the discovery? A. It's the first time humans have found Scientists said three of the newly discovered planets are in...
Astronomers arestill concernedabout how a megaconstellation like Starlink will change the sky. Radio astronomers recently warned that SpaceX's more powerful V2 satellites could alsoblind radio telescopes. But the economics of space are changing so rapidly that polite objections are getting steamrolled....
In 2017,astronomers observed for the first time gravitational waves, ripples in the very fabric of spacetime, and light that was sent radiating outwards from a collision between neutron stars. The signals that came from clashing binary neutron stars located 130 light-years away, verify the utility...
In turn, this could tell us something about how our solar system formed in the first place.1. What do we know about the Voyager 2 spacecraft? A. It's helped scientists find out Uranus. B. It's observed Uranus for many years. C. It's confirmed that Uranus looks blue. D. It's ...
LUCY: Twelve Years, Eleven Asteroids, One Spacecraft,https://lucy.swri.edu/ 'Astronomers Find Second Known Earth Trojan Asteroid', National Science Foundation, 2022,https://new.nsf.gov/news/astronomers-find-second-known-earth-trojan List of Neptune Trojans, Minor Planet Center, 2023,https://mi...