tannie rusty
Joined September 2022
0 stories
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little science knowledge
Stories (50/0)
The interior of the earth is as hot as the sun, where does its energy come from? Have a completely cool day?
We all know that the earth is a rocky planet, and the place where human beings live is only the surface of the earth. So is the rocky planet Earth a completely solid state? Maybe in the eyes of the ancients, the earth is a solid world except for the hard surface, which is the ocean.
By tannie rusty2 years ago in Earth
Voyager 2, which is 20 billion kilometers away from the earth, sends back signals in the so-called "space"?
On August 20, 1977, NASA's Voyager 2 probe was sent for liftoff on its ascent to the solar system. After traveling 4.1 billion light-years, Voyager 2 reached the limit of the solar system's heliosphere, the tail end of the solar wind, in November 2018. Since then, Voyager 2 has entered interstellar space, where cosmic radiation is stronger than that of the sun.
By tannie rusty2 years ago in Earth