Science
Science
After the astronauts died in space, why can't the remains be transported back to Earth?
Humans always have a strong interest in exploring the unknown, and because of the unknown, they seek knowledge. The same is true for spaceflight activities. For us, it is a special and mysterious occupational activity. In such a special and unknown environment, every step of exploration is arduous and difficult. is the price of life.
By witty lukas4 years ago in FYI
Travel back from 2582? Foreign netizens predict that there will be 72 hours of darkness on the earth, is it true?
When talking about "time and space travel", people think of those familiar time travel dramas. In recent years, the TV series with "time and space travel" as the theme can be said to be very popular, either modern people have traveled to ancient times, or ancient people have come Modern, and then, the heroine and the hero have a love that travels through time and space, throwing dog food to the audience.
By witty lukas4 years ago in FYI
Princess Kobe's health arouses concern! 19-year-old weighs 246 pounds, and her round body is not inferior to Vanessa
As we all know, Kobe has a total of four daughters. The crash took him and his second daughter Gianna away forever, leaving the family with three daughters and Vanessa. As fans, we regret that he did not get a son, but Kobe, as a father, regards his daughters as the jewel in his palm. When it comes to whether he will let his daughter take the basketball road to inherit his mantle, Kobe admits that he will fully respect himself. The thoughts of daughters will not force them to do things they don't like. This also means that Kobe's daughters are likely not to play professional basketball, let alone inherit their father's mantle.
By witty lukas4 years ago in FYI
In the universe, this black hole has disappeared, and astronomers are full of controversy
Introduction: Astronomers are looking for the traces of pearls one by one. This black hole should be located in the center of a galaxy 27 million light-years away from the earth. The motion and huge mass of surrounding celestial bodies indicate that there should be a supermassive black hole in its center. However, several data collection methods such as Hubble and Chandra Telescope have been used to find the location of this black hole. It is speculated that there are two possibilities. One is that there is not enough material around the black hole to swallow it, so it cannot be perceived. Gravitational waves from the merger of massive black holes push black holes that should be in the middle of galaxies out into outer space.
By nally norris4 years ago in FYI
Musk accelerates Mars immigration plan and says: It is honorable for the first inhabitants to sacrifice on Mars
Some time ago, Elon Musk, CEO of Space Exploration Technology, once again made a surprising statement in an interview. He said that on the first human journey to Mars, we must be prepared for sacrifice. Death is inevitable, and It will be a glorious adventure, although sacrificed, but the name can go down in history forever. But is the risk really worth it?
By nally norris4 years ago in FYI
The body originated from the parents, so how did the human consciousness come into being?
Everything in the universe is composed of "elementary particles". The so-called elementary particles are actually the smallest units of matter in human cognition. If they are smaller than the elementary particles, they will lose the properties of the matter. These elementary particles are like It is a puzzle that is combined into this complex and changeable universe through different arrangements.
By nally norris4 years ago in FYI
If it rains for 10,000 years, will humans go extinct? The ancient earth really appeared
Compared with the relatively cold north, there is always more rain in the south, which also makes the north relatively dry, while the south is relatively humid. It can also be seen from this point that the temperature actually determines the probability of rain.
By nally norris4 years ago in FYI
Terrible parasites reappear in the United States! A large number of killifish turned into "puppets", they were manipulated
In nature, in addition to the organisms visible to the naked eye, there are many things that are difficult to identify or are often overlooked by us, such as generally invisible microorganisms and parasites that live in organisms.
By nally norris4 years ago in FYI
Due to a scientist's mistake, two species accidentally merged and became a creature no one has ever seen before
Regarding the publicity for protecting wild animals, many people remember the phrase "no business, no killing", and many people still remember the public service advertisements shot by CCTV. A huge clock appeared in the advertisement, and the position of each moment on the clock corresponds to an extinct creature, such as the dodo, moa, thylacine, Antarctic wolf, etc. Every time the pointer passes over a creature, the species Extinct, and the hour hand finally points to human beings.
By nally norris4 years ago in FYI
23 million-year-old leaves were discovered, and scientists worry after research: the future of mankind is not easy
There have been many extinction events in the history of the earth, and although these species have disappeared permanently from the earth, they still have the opportunity to leave some traces on the earth, such as fossils. It is through digging and in-depth study of fossils that humans have been able to understand part of the past history of the earth. For example, by discovering dinosaur fossils and conducting extensive research on them, archaeologists have discovered that these behemoths once dominated the earth's biosphere for more than 100 million years, and the time of domination was even longer than humans.
By nally norris4 years ago in FYI
Earth is entering the sixth era of mass extinction! Scientists: An unprecedented crisis may come!
On June 16, 2020, a paper titled "Vertebrates on the brink as indicators of biological annihilation and the sixth mass extinction" was published in PNAS (Proceedings of the National Academy of Sciences). The sign of the sixth mass extinction), brought forward a conclusion that was expected, but still dare not face, we are in the whirlpool of the sixth mass extinction!
By nally norris4 years ago in FYI
