Blue moon and Mars together tomorrow night sky illuminated
two days 21 - 22/5, astronomy lovers around the world not only have the opportunity to track rare blue moon but also can observe Mars in proximity to Earth.
(HHH) According to Futurism, the moon is blue like the middle of the night sky. This phenomenon is very rare, because of the dust particles in the atmosphere scatter light, which carries blue moon as seen from the ground. Earthsky.org offers two definitions of a blue moon. According to traditional concepts, from blue moon refers to the time of the full moon in a season Tuesday with four full moons. Season here is the period between the date solstices (summer solstice or the winter solstice) and equinoxes (spring equinox, or the equinox). Typically, every season there are only three full moons. Therefore, the event takes place 4 times the full moon in a season is extremely rare and has not been seen since January 8/2013. (HHH) The definition of a blue moon is the second full moon once a month along Ocean calendar. The astronomers calculate 235 times in 19 years moon calendar, corresponding to 228 months. Thus, 7 in 19 years there will be two full moons in the same month and 4 times the full moon in a season. At the same time as the blue moon, Mars will be in alignment with the Sun on the day 22/5, when Bonds land passing between Mars and the Sun this week. This event happens in cycles 2 years 50 days. The brightness of Mars in the sky depends on the position of the planets and the Earth in orbit around the sun. This year, Mars will be in place as close to Earth within a decade, giving the community the opportunity to observe astronomical clearest.
đang được dịch, vui lòng đợi..