f you are on social media go to #asknasa. we will be taking questions live from the media later in the show. you join us on facebook but your question in the facebook comments and will get to as many as we possibly can. will take questions lie from the media later in the show. now we'll go to jen. jennifer, tell us about the significance of finding organic life and mars. we found it in an agent like bread in those could have come >> from life. we don't know that there was life on mars and the organic molecules we found are not specifically evidence of life because there are other sources of making those molecules including things that are non- biological in nature, things like meteorites or even rock processes. we can attribute geology all by itself to life without making organic molecules. the information we have doesn't tell us which source is responsible for what we have. michelle: well, thank you. another one of the major detections and discoveries to -- that we are talking about today involves methane on mars. we think o