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Astronomers discovered the asteroid in the solar system the second teeth ring structure
250 years of scientific laws imply a livable planet throughout the galaxy
Milky discover new dwarf galaxies : the mystery of dark matter will be solved.
Low vitamin D levels are too harmful to health
Aurora and discover the mysterious cloud of dust on Mars
Europe will usher in a total solar eclipse , thousands of fans went to the Arctic to watch.
New blood test method can quickly distinguish between bacteria and viruses .
US scientists have developed the Mars Exploration helicopter
Active dwarf planet Ceres mysterious astronomer focus highlights.
” Curiosity ” Mars complex organic compounds found
NASA to try electric cars a rare electric airplane?