来自MSN9 天
After our Sun becomes a white dwarf and cools completely, what will be left?
Richard Livitski Seal Beach, California Our Sun will become a white dwarf in about 7 billion years. At that point, it will no ...
Space.com22 天
The sun's magnetic field will flip soon. Here's what to expect.
The reversal could actually have a beneficial effect on Earth. The sun is on the verge of a significant event: a magnetic field reversal. The sun undergoes such a reversal every 11 years ...