文章列表

• 1.万物简史 第30期:走进太阳系(8)
• Now the first thing you are likely to realize is that space is extremely well named and rather dismayingly uneventful. Our solar system may be the liv...
• 2.万物简史 第29期:走进太阳系(7)
• And how far is that exactly? It's almost beyond imagining. Space, you see, is just enormousjust enormous. Let's imagine, for purposes of edification a...
• 3.万物简史 第28期:走进太阳系(6)
• So if Pluto really is a planet, it is certainly an odd one. It is very tiny: just one-quarter of 1 percent as massive as Earth. If you set it down on ...
• 4.万物简史 第27期:走进太阳系(5)
• As for Pluto itself, nobody is quite sure how big it is, or what it is made of, what kind of atmosphere it has, or even what it really is. A lot of as...
• 5.万物简史 第26期:走进太阳系(4)
• Tombaugh had no formal training as an astronomer, but he was diligent and he was astute, and after a year's patient searching he somehow spotted Pluto...
• 6.万物简史 第25期:走进太阳系(3)
• One nice touch about Christy's discovery was that it happened in Flagstaff, for it was there in 1930 that Pluto had been found in the first place. Tha...
• 7.万物简史 第24期:走进太阳系(2)
• This was actually something of a blow to Pluto's status as a planet, which had never been terribly robust anyway. Since previously the space occupied ...
• 8.万物简史 第23期:走进太阳系(1)
• 2.WELCOME TO THE SOLAR SYSTEM 2.欢迎来到太阳系 Astronomers these days can do the most amazing things. If someone struck a match on the Moon, they coul...
• 9.万物简史 第22期:如何营造一个宇宙(14)
• For a long time the Big Bang theory had one gaping hole that troubled a lot of peoplenamely that it couldn't begin to explain how we got here. Althoug...
• 10.万物简史 第21期:如何营造一个宇宙(13)
• The analogy that is usually given for explaining the curvature of space is to try to imagine someone from a universe of flat surfaces, who had never s...