The spacecraft returned to Earth, why is the landing point inaccurate? The spacecraft returned to Earth, why is the landing point inaccurate?
A special star has too much rare earth metal elements, maybe the alien civilization is taking out the garbage A special star has too much rare earth metal elements, maybe the alien civilization is taking out the garbage
Is it a good thing for humans to take the initiative to expose themselves and attract the attention of alien civilizations? Is it a good thing for humans to take the initiative to expose themselves and attract the attention of alien civilizations?
A calculation error by a scientist created the fastest manhole cover in history, reaching a speed of 70 kilometers per second A calculation error by a scientist created the fastest manhole cover in history, reaching a speed of 70 kilometers per second
The rocket has been accelerating in space, can it exceed the speed of light? Two methods may work The rocket has been accelerating in space, can it exceed the speed of light? Two methods may work
Three physical theories have been confirmed, why are they still unacceptable? Three physical theories have been confirmed, why are they still unacceptable?
Does advanced civilization really exist? A suspicious cosmic phenomenon may be the answer Does advanced civilization really exist? A suspicious cosmic phenomenon may be the answer
After the astronauts returned from the moon, they began to believe in the existence of God. What happened? After the astronauts returned from the moon, they began to believe in the existence of God. What happened?
Why is there no such great scientist as Newton and Einstein now? Why is there no such great scientist as Newton and Einstein now?
Will water of the same solar mass pour it out on the sun? Will water of the same solar mass pour it out on the sun?