【答案分析】根据第一段第四句"Some craters have ice in them, even though the planet is hot"及第六句"Without air, there are great temperature differences between the coldest and hottest parts"可知, 水星上不同区域的温度有很大的差别,有些地方冷
(D)Mercury(水星) is the closest planet to thesun.It doesn't have air. 1 It is a smallplanet. Mercury is about one-third the size of theEarth. If the earth was the size of a baseball,Mercury would be the size of a gof ball(高尔夫球). Because it is so small, gravity(引力) is...
【题目】Mercury(水星) is the closest planet to the sun. It is a planet slightly larger than the Earth’s moon. It is covered in craters. Some craters have ice in them, even though the planet is hot. Sunlight never touches some parts because of the planet’s special position. Without ...
Mercury is the planet closest to the Sun. A new study finds that a layer of diamonds maybe deep below the surface of Mercury. It could be nine miles thick! The diamonds probably can't be mined for jewelry. But they ...
Of the eight planets in the solar system, Mercury is theclosest planet to the sun. It is also the smallest planet only slightly larger than our moon. Despite being the smallest planet with a mean diameter of 3,032 miles (4,879 km), Mercury is the second densest planet. ...
Mercury(水星) is the closest planet to the Sun. Because it is so close to the Sun, it gets very hot during the day; about 450° C. But at night, it gets very cold; about-180° C. It's also the smallest planet in the solar system-the Earth is eighteen times bigger than Mercury...
D Passage 82Mercury is the planet closest to the Sun. It is a dry,rocky planet. It moves around the Sun very quickly. A year on Mercury is less than three months long.Years may be short on Mercury, but days are long.That's because Mercury rotates very slowly as it moves around t...
1. Mercury is the closest planet to the Sun. 水星是距离太阳最近的行星。 2. The temperature on Mercury can reach up to 430 degrees Celsius during the day. 水星白天的温度可以达到430摄氏度。 3. Mercury is often called the "Swift Planet" because it orbits the Sun very quickly. 水星常被称...
the heat received at aphelion. To an observer situated on the planet's hot pole at aphelion during a sunrise, the Sun would approach the zenith (getting larger as it does so), but since the orbital angular velocity is greater than the constant-spin angular velocity for a time,the Sun...
Mercury is the closest planet to theSunand the eighth largest. Mercury is slightly smaller in diameter than the moonsGanymedeandTitanbut more than twice as massive. orbit:57,910,000 km(0.38AU) from Sun diameter:4,880 km mass: 3.30e23 kg In Roman mythologyMercuryis the god of commerce, ...