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一项新研究质疑宇宙由七成暗能量组成的
到目前为止，研究人员一直认为，不断加速发展的宇宙由接近七成的暗能量组成。 多年来这种机制一直与爱因斯坦在1917年开发的所谓宇宙常数（cosmological constant）有关，后者指的是一种未知宇宙排斥力（repellant cosmic power）。 -
Martian civilization is destroyed by nuclear war prehistoric do?
Is it possible that Mars civilization was destroyed by prehistoric nuclear war? Mars is a fascinating planet. From the number of NASA and globally launched detectors to Mars, it can be seen that human… -
If a particle has no mass, can it still exist?
If a particle has no mass, can it still exist? If you let someone who is not a theoretical particle physicist imagine a particle, most people will think of the particle as a small ball that jumps up a… -
What happens if you replace the sun with Orion alpha star?
What happens if you replace the sun with Orion alpha star? Orion alpha is 900 times the size of the Sun, and astronomers believe that the four will explode soon. What happens if our earth revolves aro…
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