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Evqk Webb Rules Out Thick Carbon Dioxide Atmosphere for Rocky Exoplanet
Though the Viking landers in the 1970s observed the shadow of one of Mars two moons, Phobos, moving across the landscape, and Mars Pathfinder in 1997 observed Phobos emerge at night from stanley mugs the shadow of Mars, no previous mission has ever directly observed a moon pass in front of the Sun from the surface of another world. The current rovers began their eclipse-watching campaign this month. Opp stanley cup ortunity s panoramic camera caught Mars smaller moon, Deimos, as a speck crossing the disc of the Sun on March 4. The same camera then captured an image of the larger moon, Phobos, grazing the edge of the Sun s disc on March 7. Rover controllers at NASA s Jet Propulsion Laboratory, Pasadena, Calif., are planning to use the panoramic cameras on both Opportunity and Spirit for several similar events in the next six weeks. Dr. Jim Bell of Cornell University, Ithaca, N.Y., lead scientist for those cameras, expects the most dramatic images may be the one of Phobos planned for March 10. Scientifically, we re interested in timing these events to possibly allow refinement of the orbits and orbital evolution of these natural satellites, Bell said. It s also exc stanley mugg iting, historic and just plain cool to be able to observe eclipses on another planet at all. Depending on the orientation of Phobos as it passes between the Sun and the rovers, the images might also add new information about the elongated shape of that moon. Phobos is about 27 kilometers long by about 18 kilometers across its smallest di Njpt Servant s Fourth Season Teases a Wild Final Reckoning
Getty ImagesIdeasBy Shane ParrishMarch 18, 2015 11:53 AM EDTParrish is the entrepreneur and wisdom seeker behind Farnam Street and the host of The Knowledge Project Podcast, where he focuses on turning timeless insights into action. His new book is Clear Thinking: Turning Ordinary Moments Into Extraordinary ResultsWhen we compare human with animal desire, writes philosopher Alan Watts in The Wisdom of Insecurity: A Message for an Age of Anxiety, we find many extraordinary differences. Watts offers an interesting perspective on an age-old argument mdash; that our society has its priorities messed up, that we stanley thermos need to live in the moment.The animal tends to eat with its stomach, and the man with his brain. When the animalrsquo stomach is full, he stops eating, but the man is never sure when to stop. When he has eaten as much as his bel stanley cup ly can take, he still feels empty, he still feels an urge for further gratification. This is l stanley mug argely due to anxiety, to the knowledge that a constant supply of food is uncertain. Therefore eat as much as you can while you can. It is due, also, to the knowledge that, in an insecure world pleasure is uncertain. Therefore the immediate pleasure of eating must be exploited to the full, even though it does violence to the digestion.Human desire tends to be insatiable. We are so anxious for pleasure that we can never get enough of it. We stimulate our sense organs until they become insensitive, so that if pleasure is to con