In comparison, Mars received its first orbiter in 1971 and Venus in 1975. Jupiter, at its closest nearly 630 million kilometers (390 million miles) away from Earth compared to Mercury’s average 77 million kilometers (48 million miles), welcomed its first orbiter in 1995. Even the more dis...
Mercury is only 16 million miles away from the sun 1 day on Mercury is 59 earth-days, or4/5to a year on Mercury is only 88 days long 5 An ancient Roman girl named di'si could fly quickly. Because Mercury is around the night sky so quickly, it was given the name. ...
Last month we wrote aboutthe first topographic map of Mercury– the closest planet to our sun located 48 million miles (77 million km) away from Earth. The map was based on images taken by NASA’s MESSENGER – the spacecraft that launched toward Mercury in 2004 and began orbiting the plan...
2.Thesmallestoftheplanetsandtheonenearestthesun,havingasiderealperiodofrevolutionaboutthesunof87.97daysat ameandistanceof57.91millionkilometers(35.98millionmiles)andameanradiusofapproximately2,440kilometers(1,516miles). [MiddleEnglishMercurie,fromOldFrench,fromLatinMercurius.] ...
1,516 miles ( 2,440 kilometers), Mercury isa little more than 1/3 the width of Earth. If Earth were the size of a nickel, Mercury would be about as big as a blueberry. From an average distance of 36 million miles (58 million kilometers), Mercury is 0.4 astronomical units away fr...
Another reason we might forget about this fantastic world is the difficulty of actually getting there. While Mercury is about 80 million miles closer to Earth than Mars, the problem lies in the enormous gravity from our own Sun, which increases drastically the closer we get to it. Any space...
Mercury's diameter is about 3,000 miles (4,800 kilometers), yet it has just 5.5 percent of Earth's mass. (Earth's diameter is about 7,900 miles [12,720 kilometers].) On average, Mercury is 36 million miles (58 million kilometers) from the Sun. The Sun's intense gravitational ...
early morning during the autumn.Mercury is bound to① the sun and the same face is always exposed to the sun's burning rays. Mercury'sdistance from the sun varies between 29 and 34 million miles, and this means being about 36 million or ittle morethan a third of the earth's distance....
Its mean distance from the sun is thirty seven millions of miles. 5. The name of a newspaper or periodical publication, and in some places,the carrier of a newspaper or pamphlet. MER'CURY, Verb. T. To wash with a preparation of mercury....
https://www.livescience.com/space/mercury/9-miles-of-solid-diamonds-may-lurk-beneath-mercurys-surface-new-study-finds 习题 (点击选项,在线测试) 1.Which sentence from the section “Mercury’s Mysteries” explains a reason why...