Science, Maths & Technology
Rosetta unexpectedly finds oxygen on comet 67P, surprising scientists
...researchers. Tracing the origin of O2 Oxygen is one of the most abundant elements in our galaxy and solar system, and we take the free molecular oxygen that makes up 20% of our atmosphere for granted with every breath. So why is finding oxygen in a comet such a big deal? Oxygen readily binds with other abundant elements such as hydrogen (H) or carbon ( C ) to form water...