"Have you ever wanted to speak another language whether you want to speak Spanish, French or German? Babbel's ten to fifteen minute lessons can get you. Speaking confidently and your new language within weeks, babble spaced repetition method gradually build your language skills. So you intuitively, remember what you've learned? No wonder babble is the number one selling language learning app in the world. Try babble for free. Go to babble dot com or download the app that's Babbel, B A B E L dot com or download the Babbel app to try for free. This is science bec- Americans sixty seconds science. I'm Steve Mirsky when this little Rover landed the objective was to have it be able to move eleven hundred yards and survive for ninety days on Mars NASA administrator, Jim Bryden Stein. And instead here we are fourteen years later after twenty eight miles of travel and today, we get to celebrate the end of this mission Brunson spoke at a press conference at NASA Jet Propulsion Laboratory today for thirteenth two thousand nineteen the media event was called to officially Mark opportunities demise. The Rover has been quiet since last June when a severe dust storm covered its solar panels only about one fortieth of the typical amount of solar radiation was getting through to power the Rover, and it's been silent since opportunities very closely equator. There's lots solar power Cornell University astronomer Stephen Squires, talking to scientific American back in March two thousand six he was the principal investigator for the science payload of the Mars exploration Rover project, better known as the two Rovers spirit and opportunity they landed on Mars three weeks apart in January two thousand four the spirit Rover much further from the equator stopped reporting back to NASA in two thousand ten but opportunity like an interplanetary energizer bunny. Just kept going along the way it found ample evidence for the presence of water during Martian history back in two thousand six Squires offered this confident, and we now know correct assessment, I think opportunity last quite a long time. For scientific Americans sixty seconds science. I'm Steve Mirsky."