Before the formation of the earth, there may have been a “car accident” in the orbit of giant planets
In 1687, Isaac Newton published his principles, which contained the equations of motion and gravity, which turned our seemingly erratic universe into a predictable machine. I added”in principle” here because things are not that simple.
When we first hear the name”Pluto”, many people will instinctively feel”a trace of coolness”. After all, the”Pluto” in the name seems to have a”murderous spirit”, which makes us easily associate with”Pluto”, a terrible place that can only be seen on TV. In fact, Pluto is really terrible, not because of how terrible its name is, but because its real environment is as terrible as Pluto.
The solar orbiter crossed the earth sun line and began to make its first close pass through the sun
Beijing, Feb. 9 (Xinhua) according to the report of Russian satellite network on the 9th, the website of American space exploration technology company (SpaceX) announced that in early February, due to the rampant geomagnetic storm, about 40 “star chain” satellites of the company could not enter the orbit, “will deviate or have deviated from the orbit.”
Why did the climate change dramatically in the geological history when human activities were not a threat?”History” is not only a short history of the evolution of human civilization, but also a long history of natural changes on the earth.
Yunnan Observatory found a special star gathering system composed of “triplets” with non coplanar orbits