comet halley

Amazingly top incredible rare events in history
Some incredible and unbelievable events have happened in history, making scientists unable to decipher them.
Rosetta spacecraft and 6 billion km journey to comets
The Rosetta spacecraft took 10 years to cross the journey of more than 6 billion km to bring the robot Philae to land and study comets 67P / Churyumov-Gerasimenko.
March 30: Finding the famous Halley comet
Comet Halley, officially named 1P / Halley, a comet named after British astrophysicist Edmund Halley, is a comet that can be seen every 75 to 76 years. It is the most famous comet