Astrobiology

6. ______ mutations would be independent of those occurring during our own evolution.
7. When thinking about the possibilities of life, it is important to acknowledge that the process of selection is a _________ _______.
8. In 2015 the _______ unmanned spacecraft made a 15km close approach to,and delivered a lander to the comet 67P/Churyumov–Gerasimenko.
9. Water vapor was passed through this chamber and passed through an powerful
12. The _____ equation, is a mathematical argument used to arrive at an estimate of the number of active, communicative extraterrestrial civilizations in the Milky Way galaxy
13. An improved space observatory, with a similar mission, named ____
14. Life on Earth naturally arose from early chemical conditions on Earth.
15. A fascinating example of such an impact likely occurred in 1908 in Siberia, Russia in the very remote ________ _____

1. In 2016 a particularly interesting set of seven exoplanets were discovered orbiting a very cool red dwarf star. This system has been named ________ ___
2. ______ is a space observatory launched by NASA to discover Earth-size planets orbiting other stars.
3. Organic building blocks did not originate on Earth but were brought here by comets or possibly meteors.
4. _________ pressures could be very different on an alien world
5. It is considered likely that _____ _______ with the Earth, have and continue to deliver cometary material to the Earth.
10. It is commonly held that a large ________ ________ exploded over the area (hence no crater)
11. The Kepler spacecraft was launched in 2009, into an Earth-trailing ____________ orbit.