How big is theuniverse? It's one of the fundamental questions ofastronomy. By looking for the farthest observable point fromEarth(and by extension, the oldest given thespeed of light) we can estimate a diameter. Thanks to evolving technology, astronomers are able to look back in time to the...
The Universe is big, but how big is it? All the planets, galaxies, stars including you on our very own home planet Earth, make up the Universe as we know it. But exactly how big is this Universe? To understand the cosmology of this majestic Universe, we can always rely on Comparison!
Cities forests oceans people everything in the universe is made from matter created in the first seconds of the Big Bang every star, every planet, every atom, every blade of grass, every drop of water. => 城市森林中的海洋人类宇宙中的一切事物都是由宇宙大爆炸中的每一颗星星,每一颗行星,每...
How big is the biggest thing in the universe? The largest known 'object' in the Universe is the Hercules-Corona Borealis Great Wall. This is a 'galactic filament', a vast cluster of galaxies bound together by gravity, and it's estimated to beabout 10 billion light-years across! Will Ear...
How the Universe Works《了解宇宙是如何运行的(2010)》第九季第十集完整中英文对照剧本.docx,观察宇宙首先用到的是光,可见光 First there was light, visible light. 然后我们用无线电和X射线观察宇宙 Then, we viewed the universe in radio waves and X-rays. 自从天
它在十亿光年之外 It was over a billion light-years away. 如果它离我们那么远,却是那么亮 If its that far away and as bright as it was, 那么它一定是宇宙中最亮的物体了 this must be the most luminous known object in the universe. 这就是为什么这些东西在这么长时间里 And this is one of ...
Helpful Resources: How big is the Solar System? (Universe Today) What is an Astronomical Unit? (EarthSky) How close is Proxima Centauri? (NASA Imagine The Universe)
Bureaucracy is the bane of every academic’s life. But who is to blame for its proliferation – and how can it be kept in check? Six academics have their say – while a registrar offers an equal and opposite reaction
critical density was high, then there was enough mutual gravity to slow and eventually halt the expansion. Billions of years in the future, it would then collapse in on itself again, perhaps creating another Big Bang. This is known as a closed Universe, and the final result is the Big ...
Could Humans Ever Turn Into Crabs? Sometimes, Evolution Gets It Right the First Time How to Build an Electric Guitar How China Copied America’s Deadliest Helicopter How to Make Dry Ice Black Holes Could Be Back Doors to Other Universes ...