原文:“Our solar system is indeed very small. It is part of the Milky Way. And in this Milky Way there are millions of solar systems. (我们的太阳系确实很小。它是银河系的一部分。在这个银河系中有数百万个太阳系。)”所以在银河系中与无数个太阳系。它并不是独一无二的。故这句话错误。(5...
These temperate conditions keep water on our planet liquid – an assumed precondition for the emergence of life, and a major reason why we have never found it elsewhere in our solar system. But what if this Goldilocks story is just a fairy tale? Start with Mars. It seems very likely that...
Water is also found on the Mercury,and there are vast water oceans on some of Jupiter's and Saturn's moons.But we still haven't found life on the Mars,or any other planet in our Solar System. Therefore,finding liquid water isn't enough.We still need to be...
The planetary rings are formed around giant planets such as Jupiter, Saturn, Uranus, and Neptune in the solar system. The rings lie within the Roche limits of the planets. They are believed to be formed when the asteroids pass near the planet and get torn under the gravitational influence ...
Enceladus, one of Saturn's moons, is surrounded by a layer of ice, but this ice isn't frozen to the planet. Rather, it exists as a sort of atmosphere. Because jets of water spew through the ice from time to time, scientists theorize that a massive ocean covers the ...
Is the Kuiper Belt inside the solar system? The Kuiper Belt isone of the largest structures in our solar system—others being the Oort Cloud, the heliosphere and the magnetosphere of Jupiter. Its overall shape is like a puffed-up disk, or donut. Its inner edge begins at the orbit of Nep...
At least six intense nonthermal planetary radio emissions are known in our solar system: the auroral radio emissions from the Earth, Jupiter, Saturn, Uranu... P Zarka,RA Treumann,BP Ryabov,... - 《Astrophysics & Space Science》 被引量: 164发表: 2001年 Structure and dynamics of a molten...
Very good pictures and explained very well, but what do you mean by opposition or opposite the sun Susan Higgins Reply toLiz Hohlbein 4 years ago Plan Your Day. Grow Your Life. Enter your email address to receive our free Newsletter!
9.The next time someone asks you where the biggest ocean is,point them toward Jupiter.While earth harbours about 320million cubic miles(1,333cubic km)of water,our planet is practically a desert compared to the rest of the Solar System.A moon of Jupiter called Europa,for example,which is ...
Where is the Copernicus crater?Copernicus Crater:Copernicus crater is a lunar impact crater created about 800 million years ago, possibly by the breakup of the parent body of asteroid 495 Eulalia around this time. It was named after astronomer Nicholas Copernicus and also occurred during the ...