55 回答问题。(12分)(1) How long will it take to get to Mars and come back from Mars ___(2)
1. Why is Mars easy to see in the night sky? 2. Who is Elon Musk? 3. How long will it take a spaceship to get to Mars? 4. What are the similarities of the Earth and Mars? 5. Do you think Elon Musk's project will succeed? Why...
--是的,乘宇宙飞船去火星旅行需要好几个月. 解答 答案:B.How soon多久以后;How far多远; How long多久; How often多久一次.根据答语中it takes months to travel to Mars by spacecraft.可知这里应该表示的是多远.故选B. 点评 本题考查了how引导的疑问词组.解答时注意区分和辨别.练习册系列答案 ...
How long would it take to travel to Mars at the speed of light? The average distance between Earth and Mars the two planets is 140 million miles (225 million km). The distance between the two planets affects how long it would take to travel between the two.(Image credit: NASA/JPL-Cal...
Mars to Venus or Earth to Earth? How Do Families of Origin Fit into GLBTQ Lives?This article examines some of the themes in the special issue about the families of origin of people who are gay, lesbian, bisexual, transgender, or queer (GLBTQ). Coming out to families of origin is a ...
百度试题 结果1 题目So far, how long will it take us from the Earth to Mars by spaceship?Two or three days.A few months.A few daysA few years. 相关知识点: 试题来源: 解析 最佳答案B 反馈 收藏
are quite different. Compared to Earth, a year on Mars lasts almost twice as long – 686.98 Earth days. This is due to the fact that Mars is significantly farther from the Sun and its orbital period (the time it takes to orbit the Sun) is significantly greater than that of Earth’s....
Mars opposition occurs when Earth "catches up" to Mars and is positioned between the sun and the Red Planet. During Mars oppositions, from Earth, we can see Mars rise in the east as the sun sets in the west, with the Red Planet being visible in our skies all night long. Such opposit...
or so, Mars and Earth reach their closest point, called “opposition”, when Mars can be as close as 55,000,000 km from Earth. And every two years, space agencies take advantage of this orbital alignment to send spacecraft to the Red Planet. How long does it take to get to Mars?
NASA plans to put astronauts on Mars in the future, and Elon Musk keeps claiming he'll do it first, but before we strap in and blast off, it helps to know exactly how long it takes to get to there. Mars completes one turn around the sun every 687 Earth days. This means that the...