Science
Newly discovered a super-Earth! 30% is water, only 100 light years away, there may be life
Everything in the universe is made up of various elements, but the proportion of these elements in the universe is very uneven. Two elements, hydrogen, and helium occupy 73.9% and 24% of the mass of the observable universe, respectively, while among the other elements, oxygen occupies the largest proportion, with its mass occupying about 1% of the observable universe.
By Carlo Phil2 years ago in Earth
1 km wide and tens of kilometers long! Who dug the huge cave on the moon? Can make a human base?
Since the space age, humans have launched numerous probes to the Moon, which in turn have yielded a large amount of measured data that are of great importance to our exploration of the origin and evolution of the Earth-Moon system and the solar system.
By Gotze Alleemann2 years ago in Earth
A pig, two bears and three tigers? Why are wild boars a far greater threat than bears and tigers?
A pig two bears three tigers when people encounter wild boars, you have to run quickly, this is why? Why do a host of jungle kings people would think that the wild boar's danger factor is so high?
By Derwall Don2 years ago in Earth
How small is the electron? If the Earth shrinks to the size of an electron, how big would the universe be?
In the macroscopic world, the earth moves around the sun, while in the microscopic world, electrons move around the nucleus of an atom. Although the two move in very different ways, we often associate the earth with electrons, so the question arises: If the earth shrinks to the size of an electron, how big would the universe be after shrinking in the same proportion? To answer this question, first, we need to know the size of the electron.
By Baudamolova2 years ago in Earth
The Yellowstone volcano, which is a great threat to humans, has been unusually active in recent years, and will humans become extinct once it erupts?
Introduction: With the advancement of technology, humans can master more and more things. But the only thing that is beyond human control is nature, and humans can only predict the occurrence of natural disasters. Once a natural disaster occurs, the consequences will be unimaginable. Today we are talking about the most terrible kind of natural disaster, that is, volcanic eruptions. One of the largest supervolcanoes in the world is known as the "Yellowstone Volcano". Even known as the active volcano in big brother, its area reached more than eight thousand square kilometers, larger than some small countries. Once the Yellowstone volcano eruption, human beings are very likely, in danger.
By Deljewitzki2 years ago in Earth
Can humans live forever? Scientists calculate the limit of human life expectancy, the results are disappointing
Every creature living in nature has a certain life span because everything in nature cannot be immortal, this is the law of nature, man can not change, however, the life span of various creatures, including humans, is determined by a variety of factors, such as genetic survival environment and a series of factors.
By Hitchinson Metz2 years ago in Earth
International Space Station found "unidentified flying object", users: aliens are spying?
British media had a report, their International Space Station (International Space Station) in the outdoor live broadcast, inadvertently spotted a regular rectangular unidentified flying object body in the clouds.
By Apostolakis2 years ago in Earth