Mass Extinction Mystery (Theory) 神秘生物大灭绝的理论
Giant Meteorite 巨型陨石Jùxíng yǔnshí
Cause: A giant meteorite, 5 to 10 miles (8-16 km) wide and travelling at 50,000 miles per hour (85,000) crashed into the Earth.
Effect: A column of dust was thrown into the
stratosphere blocking the sun. This caused plants and other food sources to disappear.
Cause: A giant meteorite, 5 to 10 miles (8-16 km) wide and travelling at 50,000 miles per hour (85,000) crashed into the Earth.
Effect: A column of dust was thrown into the
stratosphere blocking the sun. This caused plants and other food sources to disappear.
Supernova 超新星
Cause: A supernova (star) exploded very near the Earth.
Effect: Extreme radiation covered the Earth for a period for a period of 10-20 years. This caused the plants and some animals to die.
Cause: A supernova (star) exploded very near the Earth.
Effect: Extreme radiation covered the Earth for a period for a period of 10-20 years. This caused the plants and some animals to die.