Google doodle featured the comet lander from ESA's Rosetta mission that shows the probe on its way to its new comet home.

It is worth mentioning that the Rosetta spacecraft deployed its Philae lander early on Thursday morning to make a nail-biting descent to the surface of Comet 67P/Churyumov-Gerasimenko. The landing took nearly seven hours to complete, but the Philae lander has successfully completed the journey.

Philae will ride the comet while Rosetta shadows both from orbit through at least March 2015. The mission is designed to study how the comet changes over time, and researchers hope to learn more about what Comet 67P/C-G is made of and how it has evolved.

Since comets are thought to be the cosmic leftovers from the birth of our solar system, the Rosetta mission could give scientists their most detailed glimpse yet at the raw materials that led to the sun, Earth and other planets.