The planet that has a significant amount of ammonia in its atmosphere is _. A. 专建什手资听很克头专建什手资听很克头Jupiter专建什手资听很克头专建什手资听很克头 B. 科成全交王群结子积科成全交王群结子积Saturn科成全交王群结子积科成全交王群结子积 C. 也料车所构线王机日周效即加下化...
When an astronomer discovers one of these he does not give it a name, but only a number. He might call it, for example, "Asteroid 325". I have serious reasons to believe that the planet from which the little prince came is the asteroid known as B-612. This asteroid has only once ...
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Imagine you are an astronaut you find a new planet that looks like the earth and when you want to put the flag on it you find out that this planet has already got population. What would you do?The US astronaut Charles “Chuck” Backer in the new cartoon film Planet 51 just comes acro...
I know very well that there are some planets which are so small that one has a har d time seeing them through the telescope (望远镜). When an astronomer (天文学者) discovers one of these planets, he does not give it a name. Instead,he gives it only a number. He might call it, ...
Which planet has a day that is almost as long as its year? A. Venus B. Mars C. Earth D. Jupiter 相关知识点: 试题来源: 解析 A。解析:Venus(金星)的自转非常缓慢,它的一天(自转周期)几乎和它的一年(公转周期)一样长。Mars、Earth和Jupiter都不具有这样的特征,所以答案是A。反馈 收藏 ...
The meaning of DWARF PLANET is a celestial body that orbits the sun and has a spherical shape but is not large enough to disturb other objects from its orbit.
In 2000, Earth Day began taking aim at climate change, a problem that has grown rapidly more urgent in recent years. What is the theme for Earth Day 2024? This year's Earth Day is focused on the threat that ...
The authors wish to recognize and acknowledge the very significant cultural role and reverence that the summit of Mauna Kea has always had within the indigenous Hawaiian community; we are most fortunate to have had the opportunity to conduct observations from this mountain. The National Radio ...