“迷你月亮”天体正远离地球轨道 An asteroid that moved closer to Earth’s orbit in recent months is now moving away from our planet as gravity pulls it back toward the sun.

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.

研究表明地球轨道如何影响冰河期 A recent study suggests the next ice age will likely begin in about 11,000 years unless emissions change the effects of natural climate cycles.