Comet-chasing mission Rosetta: 100 days to wake-up.


The Philae lander at work on Comet 67P/Churyumov-Gerasimenko. While Rosetta studies the comet from close orbit, Philae will obtain measurements from the surface. Immediately after touchdown in November 2014, a harpoon will be fired to anchor the lander and prevent it from escaping the comet’s extremely weak gravity. The minimum targeted mission time for Philae […]

Comet rained fire on Earth.


Comet rained fire on Earth 28 million years ago, study says. From GlogalPost.com: Twenty eight million years ago a giant comet smashed into Earth and exploded in the atmosphere. The explosion rained fire over modern day Africa and left a layer of silica glass over the Sahara desert. The glass was formed as the comet’s […]