Comparatively, Mars’ mantle is quite thin, measuring some 1,300 to 1,800 kilometers (800 – 1,100 mi) in thickness. Like Earth, this mantle is believed to be composed of silicate rock that are rich in minerals compared to the crust, and to be partially viscous (resulting in convection...
This picture actually represents the true size of Mars compared to Earth. Mars is not our sister planet. 这张照片真实的反应了地球和火星的大小对比。火星不是我们的姊妹星球。 It's far less than half the size of the Earth, and yet despite the fact that it's smaller, 它比地球尺寸的一半还要...
that's all we have time for today. But before we go though, the answer to this week's question. How big is Mars compared to Earth, Jennifer, you said?
Marssize compared toEarth Marsdistance from theSunand orbital eccentricity Mars - Earth ComparisonMarsEarth Diameter:6,779 km12,742 km Mass:6.39 × 10^23 kg5.97 × 10^24 kg Moons:21 Distance from Sun:227,943,824 km149,598,262 km
根据 Mars lies farther from Sun than Earth does,so the Red Planet has a longer year -- 687 days compared to 365 for our home world.(火星比地球离太阳更远,因此这颗红色行星的年长687天,而我们的地球则是365天。)可知,火星的年份比地球长,因为火星比地球离太阳更远。故选B...
根据上文Compared with the Earth,结合Mars is a different p_1__ which has many striking (引人注目的) features.可知此处句意为“火星是一颗不同的行星,有许多引人注目的特征。”“行星”planet,前面有不定冠词a,所以这里用其单数形式,故答案填planet。【小题2】句意:首先,火星是一个贫瘠、坑坑洼洼的...
The striking features of MarsCompared with the Earth, Mars is a differentp 1 which has many striking(引人注目的)features. First,Mars is a barren, cratered(陨石坑的)w 2 . It doesn't have flowing water andproliferating(茂盛的)plants,more l_3 the moon.In other words, Mars is different....
Compared to Earth, Mars is pretty small. Mars is about half the size of Earth. It has a radius of 2,106 miles, according to NASA.gov. Jupiter, Saturn, Uranus, Neptune, Earth and Venus are all bigger than Mars, while Mercury is smaller. Mars is smaller than Earth, with a radius of...
根据“Mars lies farther from Sun than Earth does, so the Red Planet has a longer year—687 days compared to 365 for our home world.”可知,火星的年份比地球长,因为火星比地球离太阳更远。故选B。 (4)题详解: 细节理解题。根据“And scientists say it will take at least six months for ...
解答 答案:Compared with life on Earth; in many ways.首先通过中英文句子的比对,可知英文句子中缺少"和地球上的生活相比"以及"在许多方面"的表达.短语"和…相比较"放在句首作状语,表被动,指被比较,所以用compared with."地球上的生活"译为life on Earth;"在许多方面"则是in many ways; 故答案为:Compared...