研究人员:NASA小行星样本中含有生命的“构成要素” Scientists examining material collected from an asteroid say it appears to contain some of the chemical building blocks of life.
研究人员:NASA小行星样本中含有生命的“构成要素” Scientists examining material collected from an asteroid say it appears to contain some of the chemical building blocks of life.
研究:小行星撞击在月球上形成了两条“大峡谷” A new study suggests an asteroid strike on the moon billions of years ago left two huge valleys about the size of Earth’s Grand Canyon.
保护地球免受小行星撞击的方法 Astronomers following asteroid activity in space estimate there is a very small chance an object large enough to destroy a whole city could strike Earth in 2032.