Latest Stories

Most recently published stories in Earth.

Not perfect "is not a pity
Hundreds of years ago, Newton told us that everything is held together by gravity, but Newton did not reveal the nature of gravity: how exactly does it work?
By Zhiwei Lu3 years ago in Earth
Is there life on a planet 1.5 billion kilometers away?
Since the 21st century, astronomers have discovered more and more to the outer planets and satellites, the distance is relatively close to earth, much attention has been paid to the family of Jupiter and Saturn's moons through continuous observation detector, astronomers have found more, and liquid and a liquid water ocean discovery is to let people determined the existence of extraterrestrial life.
By Zhiwei Lu3 years ago in Earth
Three supermassive black holes billions of light-years away
Stars, unlike their name, they don't last forever, and one day stars will come to an end. When the star's hydrogen fuel gradually runs out, the power of nuclear fusion can no longer fight against the strong gravitational forces, which declares the star's death.
By Zhiwei Lu3 years ago in Earth
The Earth has a mass of 60 trillion tons
Everyday experience tells us that everything "falls down" because of gravity. However, if you look at our Earth from space, it seems that the Earth has been "floating" in space. It doesn't seem to be falling. Why is this so?
By Zhiwei Lu3 years ago in Earth
7 Days of Litter
Every waking day is a new day. A chance to start over, cut our hair off, learn something new, and even save the world! Keeping our home planet, Earth, as beautiful as all of the life that it harbors, has become a call to action! In my recorded seven day (non-consecutive) venture, I came across various objects, in need of a new home. Each with their own story to tell…
By Oscar Wilson3 years ago in Earth
China and the US are no longer concerned about how to avoid war
On August 20, the Frankfurter Allgemeine Zeitung published an article saying: "For years, Western public opinion has focused on the so-called" institutional competition "between the East and the West, but the possibility of military conflict between China and the United States has obviously not received due attention. And what this institutional struggle means for war and peace is that the United States needs military intimidation and an effective strategic containment of China to prevent war.
By Zongyao Cao3 years ago in Earth
Why is there a universe?
Physics or philosophy? The discussion of the creation and existence of the universe was, before physicists got involved, a philosophical question.
By Zhiwei Lu3 years ago in Earth
How big is the universe?
How big is our universe? How did it get so big? First, the conclusion: The universe is getting bigger all the time. Using Einstein's general theory of RELATIVITY, it has a radius of about 46.5 billion light years, a diameter of 93 billion light years, and a lifetime of 13.8 billion years, taking into account the effects of cosmic expansion.
By Zhiwei Lu3 years ago in Earth
How did the universe come into being?
The ultimate question With the existence of human civilization, ancient people began to wonder: how did the universe come into being?
By Zhiwei Lu3 years ago in Earth
How big is the whole universe?
We often say: the more you know, the less you know. The same is true of our understanding of the universe. In ancient Greece, people believed that the earth was the center of the universe, all the sun, moon and stars revolve around the earth, so ancient Greek sages put forward the "geocentric theory". The early geocentric model still had many problems, but with Ptolemy, geocentric theory gradually matured and became the mainstream theory of the time.
By Zhiwei Lu3 years ago in Earth
Unidentified flying objects have been seen over the South China Sea
Before his death, Stephen Hawking warned people not to reveal the location of the Earth at will, otherwise, the gap between us and alien civilizations could lead to the tragedy of a new era of Great Navigation.
By Zhiwei Lu3 years ago in Earth
20 kilometers into the Earth's crust! Unleash unlimited energy
The earth contains a huge amount of energy, and humans are only taking the energy of its skin to use. Most of the energy used by human beings is fossil energy, which is obtained by ancient organisms through a series of changes, and is essentially the energy of the earth's crust surface.
By Zhiwei Lu3 years ago in Earth