.
On this day in 1969 – October 23rd – the discoverers of comet 67P/Churyumov-Gerasimenko announced their discovery to the Central International Bureau of Astronomical Telegrams.

ESA's Rosetta spacecraft and the lander Philae lie on the comet - they spent two years studying it.


Mona Evans
For news, activities, pictures and more, sign up to the Astronomy Newsletter!

http://www.bellaonline.com/newsletter/astronomy