This talk focuses on Venus, Titan, and the giant planets. I review the basic science questions and discuss the recommended missions. I stress the need for a balanced program that includes an array of missions that increase in size by factors of two. Gaps in this array lead to failures and...
The solar system consists of the sun, eight planets, and many other celestial bodies. The planets are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. The sun is the largest object in the solar system and provides light and heat to the planets.相关...
1. The eight planets in our solar system in order from the Sun are: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. 2. There are five known dwarf planets mentioned in the text. 3. The Sun is in the middle of the solar system, and the planets orbit it. 4. Ear...
Are there any life on Mars? 相关知识点: 试题来源: 解析 The Sun, the planets and the moons that orbit the planets, are known as the Solar System. The Solar System formed out of an enormous cloud of gas and dust. All the stars you can see in the night sky are members of a huge ...
i know a lot of stuff and the only answers i got wrong on a quiz about space was the people who discovered it and history and stuff like that. i know everything so you cant do nothin’ Reply Tauseef says: December 26, 2012 at 3:55 pm Only questions about ‘who’ went wrong. ...
所属专辑:science_cambridge 音频列表 1 15-Level 2-Why Do Stars Shine-Questions about stars 60 2019-05 2 16-Level 2-Why Do Stars Shine-Questions about the solar system 103 2019-05 3 17-Level 2-Why Do Stars Shine-It's a fact
Before space exploration, humans didn't know that the solar system existed.Humans then thought that the Earth was at the center of the universe. B. The Sun: Essential for Life on Earth Life as we know it would not be possible without the heat and light of the sun.Through the process ...
First, the scientists did a study on what happens when people ask different questions.They found that people usually think of things in different ways when they are asked questions. When people were asked difficult questions in the past, scientists believe they tried to think of the answers to...
Io is famous for its large size as well as its volcanoes.1 Many think Io has more active volcanoes than any other place in the solar system. Scientists can see the volcanoes from 390 million miles away by using Earth's strongest telescopes. [B] Scientists want to know why Io has so ...
解析 V 1 The Sun and eight planets make up the solar system. 2 It takes the Earth a year to go around the Sun. 3 It is very hot on Mercury. 4 The Sun makes the Moon shine. 5 (Any reasonable answer is acceptable. ) 反馈 收藏 ...