国际新闻

Seven dead and more than 100 injured after trains collide in Egypt

来源: feeds.bbci.co.uk · 发布于

Seven dead and more than 100 injured after trains collide in Egypt
来源: feeds.bbci.co.uk

Several carriages derailed after two trains travelling in the same direction crashed outside the city of Giza.

Several carriages derailed after two trains travelling in the same direction crashed outside the city of Giza.

阅读原文来源
Dead stars could break one of physics' most famous limits
科学与环境

Dead stars could break one of physics' most famous limits

A surprising new discovery suggests that some dead stars can grow far more massive than scientists once thought possible. Computer simulations show that powerful magnetic fields could allow white dwarfs to reach 2.4 times the mass of the Sun, dramatically exceeding a famous limit

All Top News -- ScienceDaily ·