'Sola' Copernican Planetarium

** List of Observation Scenarios + Crescent Observation https://youtu.be/JdoHzAH1AGc + Half Moon Observation https://youtu.be/WPpvfXlMJt0 + Geocentric model view https://youtu.be/xxmMSk69N9M + Total Solar Eclipse https://youtu.be/FAUIrYvrKbc + Motion of Jupiter and Saturn https://youtu.be/7qB5Do-oabQ + Axial Tilt https://youtu.be/3EqoGwQ19GE ** Overview + Planetarium used by holding the device up to the sky + Constellation clip arts based on the star maps of 1600 - 1800 + By the horizontally launched sightseeing spaceship, leaving the Earth + Inside the sightseeing spaceship, see the view in the direction to hold the device + Confirm the relationship between the phases of the moon and the position of the sun, the earth, and the moon + Confirm the appearances and orbits of inner planets and outer planets + Observation of solar eclipse and lunar eclipse around the world + Radiant point display of the meteor shower in the activity period + Search for constellations, stars, planets, etc + Display of artificial satellites that may be brighter than 2nd magnitude + Please try following with this application after forecasting. - If the Earth's axis of rotation falls sideways, what about the day and night? How do the seasons go? - If the inclination of the earth's axis is 0, what about day and night? How do the seasons go? Where are the sunrises? - If the Earth's rotation stops, what about the day and night? - If the Earth's revolution stops, how do the seasons go? - If the earth were the center of the universe, the Ptolemaic system? + Astronomy application that students, teachers, parents, children, and grandchildren can enjoy together.