52.句意:我希望有一天像杨利伟一样乘坐宇宙飞船飞向太空。此处spaceship 为抽象名词,by+抽象名词(ship/bus/bike/plane/spaceship…)表示一种交通方式。 53.句意:地球是我们的母亲,我们要好好照顾她。考查单词earth的掌握。 54.句意:谁在1427年发现了美洲?1427为过去的时间状语,故此处填discovered。反馈...
William's sister Caroline came to live with him after the death of their father in 1772, and he immediately had her join him in his astronomy pursuits. She worked with him to build telescopes, and eventually began doing her own observing. She discovered eightcomets, as well as the galaxy ...
In ancient Egypt, for instance, the falcon-headed Ra was worshiped as the king of the gods. Meanwhile, on the other side of the world, the Aztec of Mesoamerica offered human sacrifices to Huitzilopochtli, their god of the Sun and war, who was depicted as a blue man wearing armor and...
Who discovered Mars? That's a trick question: Because the planet is visible to the naked eye, humans have been watching our rusty neighbor for thousands of years, and there's no way to track down the name of the long-dead observer who first noticed its reddish glow. But just because ...
Who believed the universe was heliocentric? What are the geocentric and heliocentric systems? What does the heliocentric model of the solar system state? Who developed laws of planetary motion? What is the heliocentric model theory? Who discovered that planets move in ellipses?
Who discovered the Earth's inner core?Inner Core:The inner core of the earth is the deepest geologic layer. It is made up of iron and extends up to a radius of about 1,220 km. It comprises about 20% of the earth's radius.
1 Astronomer Wilhelm Gliese cataloged hundreds of stars in the 1950s. The lowercase letter marks the order in which astronomers discovered the planets orbiting a star. Then a seeming breakthrough: In the spring of 2007, the Europeans announced that they'd spotted a potentially habitable world, ...
The Universe Solar System Pluto Clyde Tombaugh: The astronomer who discovered Pluto References By Nola Taylor Tillman last updated January 9, 2025 From farm boy to cosmic pioneer: The life and legacy of Clyde Tombaugh. When you purchase through links on our site, we may earn an affiliate...
discovered a strange feature on the planet that became known as Syrtis Major. Before this Nicolas Copernicus was the first astronomer tohypothesisethat Mars and a few other bodies known at the time were planets. Tycho Brahe, a Danish astronomer made accurate calculations of the position of Mars ...
“The sun strings these worlds – the earth, the planets, the atmosphere – to himself on a thread.” This is one of the first recorded references to heliocentrism, but supporters of the idea were in the minority andIndian astronomerscontinued to believe in a geocentric model until the telesc...