Madison Hart
Bio
Stories (13/0)
How did mankind come to be? Understanding human origins in one breath
How did mankind come to be? I believe that different people have different ideas, different disciplines have given answers, and different ancient civilizations have their myths. This time let's talk about how paleoanthropology, which specializes in this issue, really sees this question.
By Madison Hart2 years ago in Earth
Less than 100 km in diameter! Micro black hole found outside the Milky Way, surprisingly revolving around a star
We have the impression that a black hole is the most mysterious and massive object in the vastness of the universe. It has a powerful attraction that does not even spare the light around it. All are sucked in and do not reflect any visible light to the outside world, so the black hole is invisible to the naked eye.
By Madison Hart2 years ago in Earth
Evidence of 'Pac-Man' black hole devouring neutron star detected by scientists for the first time a billion years ago
A black hole, known as the "Pac-Man" of the universe, is by far the most terrifying and dangerous being in the universe that we know of. It captures all matter in its vicinity with its powerful gravitational force, and not even "light" can escape. At the same time, its mystery has attracted the attention of countless astronomers, hoping to learn more about it.
By Madison Hart2 years ago in Earth
Phobos is in the sights of scientists, future human migration plans may also choose Phobos
Mars has been an important celestial body for scientists to explore and study. Was there ever liquid water on Mars? Why did its main magnetic field disappear? Where did the original atmosphere of Mars go? On February 18, the U.S. Mars Rover Tough entered the Martian atmosphere, entering, descending, and landing in seven minutes. A successful landing in Yezero Crater, north of the Martian equator, will lead to an exploration mission. But sometimes, maybe we should take our eyes off Mars and focus on the kids in the Martian neighborhood. There could be big discoveries to be made. Hello everyone. This is Tao's notes. Today, let's talk about the nearby children mentioned here, none other than Mars' moon Phobos.
By Madison Hart2 years ago in Earth
Scientists found a "protective shield" at the edge of the solar system, protecting the safety and stability of the Earth
The Sun is the home of the Earth, it has eight planets, and the Earth is one of them, and is the only one with an intelligent civilization. Ancient humans did not have advanced detection equipment and could only stay on Earth to look up at space, not knowing how big the Earth is, let alone how big the solar system is.
By Madison Hart2 years ago in Earth
How is artificial gravity created? Why is artificial gravity not used on the space station?
Although weightlessness in space is a wonderful experience, if humans stay in a weightless environment for a long time, the body will have all kinds of problems, such as muscle atrophy, bone density loss, and so on, so humans want to enter the sea of stars, it is necessary to have artificial gravity technology can be.
By Madison Hart2 years ago in FYI
Must visualize your goals
Everything runs according to precise laws, and they all have their own goals, for example, a ship sailing in the sea, sailing purposefully according to the compass; an airplane flying in the air, flying precisely according to the navigation instrument; a planet in the universe, orbiting methodically around the star at its center.
By Madison Hart2 years ago in Earth
Don't look for extraterrestrial civilization, there is one within the Earth, scientists: in front of it human is a higher civilization
In the wilderness of the northeastern region of Brazil, there is a large colony of huge white ant nests, presumed to have existed 3,000 to 800 years ago and still in use and under construction until now. Its total area is about 228,000 square kilometers, and the mounds of earth visible on the surface exceed 200 million, which can even be photographed in outer space. By no coincidence, there is a giant red ant 1 on the seashore of Hokkaido The colony contains more than 300 million worker ants and 1.08 million queens, which live in 45,000 interconnected crypts that spread over an area of 27,000 square kilometers.
By Madison Hart2 years ago in Earth
What is the significance of the existence of creatures like snakes? Can the snake be missing from the biological chain?
There are about 3,000 kinds of snakes around the world, including about 650 kinds of poisonous snakes, not to mention that most poisonous snakes can pose a threat to human life, just say that more than 2,000 kinds of non-venomous snakes are enough to scare people. So, what is the significance of the existence of snakes, a creature that scares people and threatens their lives? What would happen if there were no more snakes? Let's look at the pros and cons of snakes' existence.
By Madison Hart2 years ago in Petlife
When they enter the cage, they lose their freedom, so why do domestic chickens enter the cage at night of their own accord?
In the past, every household would raise a few chickens to ensure the supply of eggs on the one hand, and kill a chicken to entertain relatives and friends during the New Year's holidays or when they visit. However, different people raise chickens in very different ways, the most common are three: cage, free-range, and coop rearing, of which cage breeding as common, because cage breeding not only prevents chickens from getting lost but also prevents weasels from "stealing chicken".
By Madison Hart2 years ago in FYI
The spacecraft that has flown 23.54 billion kilometers, the last picture taken, makes mankind think deeply!
Exactly 45 years ago, Voyager 1 embarked on an epic interstellar voyage that took it as far as the deepest reaches of the solar system, to a space never before touched by humans. Voyager 1 is now 23.54 billion kilometers away, and it has long been the farthest spacecraft from Earth.
By Madison Hart2 years ago in Futurism