Extraterrestrial skies Mars appears to be the angular diameter as seen from Earth (0.35°), and sends 40% of the light, approximately the brightness of a slightly cloudy afternoon on Earth. On June 3, 2014, the "Curiosity" rover on Mars observed the planet Mercury transiting the Sun, marking the first time a planetary transit has been observed from a celestial body besides Earth. Mars has two small moons: Phobos and Deimos. From the Martian surface, Phobos has one-third to one-half the angular diameter of the Sun while Deimos is barely more than a dot (only 2′ angular diameter). The orbital period of Phobos
Mars One developing the technology needed, it is unclear what the astronauts would be training for. Mars One has stated that the teams selected will be undergoing a battery of training, ranging from psycho-social skills to engineering and scientific observation. Mars One funding comes from astronaut application fees, donations, undisclosed private investment, intellectual property (IP) rights, and mostly, the potential sale of future broadcasting rights. Over three quarters of the funds would reportedly go to concept design studies. Mars One states that "income from donations and merchandise have not been used to pay salaries". To date, no financial records have been released