根据第一段“With the fast development of astronomy, astronomers are eager to find a hint of the familiar: planets that resemble Earth. By pushing technology to the limits, astronomers ar idly approaching the day
Student: Exoplanets are planets that orbit around a star other than our Sun, right? 学生:外行星是那些轨道绕着恒星而非绕着太阳的星球,对吧? They are not in our solar system. 它们不在我们的太阳系中。 Professor: Right. 教授:对。 They have different... what are called "host stars". 它们...
(Put simply that means the exact dividing line falls between the 66th and 67th parallels in Earth's Northern Hemisphere.) Strange hours are a characteristic of the region. Throughout this area, the center of the sun never climbs above the horizon during the winter solstice — the shortest ...
结果1 题目 6. Our planet Earth, together with other planets,revolves around the Sun in_ what we call the solar system. 我们的行星地球,连同其他行星,在我们称之为的太阳系里,围绕太阳旋转。 相关知识点: 试题来源: 解析 答案见上 反馈 收藏 ...
In this lesson, you will learn about the size and the shape of the planet that we all live on: Earth. Earth's shape and size are important for...
What makes the Earth more suitable for life than other planets in the solar system? A. The Earth is the only planet that can receive energy from the sun. B. The sun is at the right distance from us and in proper size. C. The distance between the planets is neither too long nor ...
Consider Venus and Earth, both terrestrial planets with atmospheres. [#paragraph2]Venus and Earth are commonly regarded as twin planets but not identical twins. They are about the same size, are composed of roughly the same mix of materials, and may have been comparably endowed at their ...
This suggests that our Solar System isn't a typical planetary system, but a relatively rare one. When we look at planets around other stars, we see that planets of a similar mass to Jupiter are found in Earth's spot.这表明,我们的太阳系不是一个典型的行星系,而是一个相对罕见的行星系。
A. Earth is a star. B. Planets don't move. C. Earth moves around the moon. D. Earth moves around the sun. 相关知识点: 试题来源: 解析 D。A 选项“地球是一颗恒星”错误。B 选项“行星不移动”错误。C 选项“地球围绕月亮转”错误。只有 D 选项正确地表达了文中内容。反馈...
"Certainly there will be other planets that support life," he said. "I think life is actually quite common. I think we're going to find there are literally billions of them in the galaxy." Additional resources VisitNASA's hubfor understanding Earth as a planet. ...