根据第三段中Each layer mixes into the next, like the layers of the earthˈs atmosphere(大气).可知,太阳的气体就像地球的大气层。故选C。 根据第一段中The sunˈs energy comes from its nuclear fusion(核聚变).可知,太阳的能量来自于核聚变。故选B。 根据第二段中Thatˈs more than 100 time...
“Barnard b is one of the lowest-mass exoplanets known and one of the few known with a mass less than that of Earth. But the planet is too close to the host star, closer than the habitable zone,”explains González Hernández. “Even if the star is about 2500 degrees cooler than our ...
The earth's atmosphere. D. All of the above.(2)The sun's energy comes fromA. X-raysB. nuclear fusionC.layers of gases D. heat and light(3) The diameter of the earth is about 6300kmHow about that of the sun?A. About 6300km. B.About 63000km.C.About 630000km. D.630km.(4)...
Another way tosay this is that the sun could hold one millionEarths inside (在….…内) it.The sun has different layers (层) of gases.Each layer mixes into the next, like the layers ofEarth's atmosphere (大气). Most of the sun'smass is in its center. It is also very hot. ...
absorbed by the earth's atmosphereD.used for electric power(5)Of the sun's entire output of radiant energy, the earth receives ___.[ ]A.nearly allB.about halfC.a very small partD.all that comes from the sun's outer layers 相关知识...
It runs (26) the mountains and is converted to electric power. Light transmits only the energy (27) comes from the sun’ s outer layers, and (28) of this energy that is directed toward the earth never arrives. About (29) of it is absorbed by the atmosphere of the earth. In (30)...
It courses down the mountains and is converted to electric power. Light transmits only the energy that comes from the sun’ s outer layers, and much of this energy that is directed toward the earth never arrives. About nine-tenths of it is absorbed by the atmosphere of the earth. In ...
Light transmits only the energy that comes from the sun’s outer layers, and much of this energy that is directed toward the earth never arrives. About nine-tenths of it is absorbed by the atmosphere of the earth. In fact, the earth itself gets only one half-billion of the sun’s ...
I’m vry thankful to get this type of post. Good job ReplyAnna Wartmann 7/13/20 I think I’m a mixture of the modern farmhouse, and coastal. I love the coziness of the farmhouse, but also the clean and fresh coastal atmosphere. Reply...
Lighttransmitsonlytheenergythatcomesfromthesun’souterlayers,andmuchofthisenergythatisdirectedtowardtheearthneverarrives.Aboutnine-tenthsofitisabsorbedbytheatmosphereoftheearth.Infact,theearthitselfgetsonlyonehalf-billionofthesun’sentireoutputofradiantenergy.Radiantenergyisstoredascarboncompoundsby___. A. plants...