Why are the Earth's layers differents? How does latitude affect temperature? Why does Earth have gravity? Why is the Earth's inner core hot? Why is Antarctica the largest desert in the world? Why is Earth's soil called the ecosphere?
The heavier you are, the steeper the sides of the trampoline well. That is why really massive things in the universe – like the Sun or black holes – have stronger gravity than Earth. So why does gravity pull you down and not push you away? Imagine someone went under the trampoline and...
Navigation could get trickier, as GPS satellites wouldn't work on a flat Earth; And what about gravity? You’d expect that to change, and if gravity instead pulled toward the planet’s center, you’d have oddly slanted trees and even sideways rain. WIth no gravity, Earth would not be ...
The on Mars is about three-eighths of that on the Earth. A. gravity B. food C. quality D. weight( A )4. -Wow, I have never thought about travelling abroad alone. A. Me neither B. I think so C. So have I D. Neither do I( B )5. -Are you willing to live on Mars one ...
One force that helps you move is gravity (重力). Gravity pulls you toward Earth. Why? Earth is bigger and heavier than you are, so you're pulled by Earth's gravity. How does that help you? When you take a step, gravity pulls on your foot.___17___Then, you can move your other...
5.Newton's law ofgravity (重力) explains why everything on earth falls to the ground. 试题答案 在线课程 分析牛顿的万有引力定律定律解释了为什么地球上的一切会落到地面上. 解答答案:gravity 考查翻译填空.根据句意及句子结构,要填入名词,gravity意为"重力",是不可数名词. ...
Earth's atmosphere is enormous, so far reaching that it even affects the International Space Station's route. But how did this giant gaseous envelope form? That is, why does Earth have an atmosphere? In short, our atmosphere is here because of gravity. When Earth formed, about 4.5 billion...
翻译：在太空还没有竞争，偏见和国家冲突。我们所有人都要面对太空的危险。太空值得全人类尽最大的力量...
The earth is a round, big ball. AT BF People will not fall off the earth because the earth is round. AT BF Gravity holds everything to the earth. AT BF答案 1. 根据The earth is big. It is a big round ball.知道本句正确。 2. 根据最后一段知道是重...
aWhy does the earth always goes around the sun, and not fly to the cold? The sun's gravity to answer the question. The earth is always trying to leave the sun line, but the sun always put it back. So it has always been around the sun keep running. 为什么地球总在而不是太阳飞行...