Why Do Wild Animals Not Need To Eat Salt, But Humans Must?
In fact, the earth's crust itself is a natural source of minerals, many soil and rocks contain a certain amount of salt, careful observation of cattle and sheep should know, cattle and sheep in the grass, but also often "eat soil" or lick the stone, they do so, in fact, the purpose is to obtain the salt
How Empty Is The Universe? Probably More Than You Can Imagine
Between the Earth and the Moon there exists a much more empty space than imagined, so what can be put down in this space?
Why Is It That The Discovery Of Extraterrestrial Life In Our Solar System Would Be The Beginning Of Despair For Humanity?
How exactly did such a complex life emerge on Earth? This is a great mystery to modern humans, but we are almost certain that the "birth of life" is a process that has a very small probability of occurring.
The Secret Of The Centre Of The Milky Way Is About To Be Revealed And The Eht Will Announce a Major Discovery On 12 May
Ever since humans began to look up at the stars, they have been curious about the vastness of the universe, and this is still the case today. With the help of various observation devices, modern humans can take a large number of photos of the deep space of the universe, which are updated almost every day.
How Long Does It Take For The Sun To Travel 792,000 Kilometres Per Hour And Make a Full Revolution Around The Centre Of The Milky Way Galaxy?
In the Milky Way, the closest stars to the Sun are 4.22 light years away
Having Flown 23 Billion Kilometers, This Photo Of Voyager 1 Is Thought-Provoking: Is Earth a "Zoo"?
At the time of the "family photo" of the solar system, the Voyager 1 probe has reached a distance of 6.4 billion kilometers from Earth, very distant, so in the view of the Voyager 1 probe, the solar system, the major celestial bodies are very small
