The app computes satellite ground tracks and visibility for multiple ground stations. It plots satellite positions, ground tracks, Sun and Moon positions, and day/night regions on Earth.
by GerSpatial★ 0.00 ratingsEducation$49.99Data updated 2026-10-11
Answer questions about national to build a flag-. Select correct to add to the . Incorrect answers cause to fall faster. Track height and progress. Compete against time to prevent from falling.
The app displays Gregorian calendar dates alongside lunar month/day numbers, sexagenary day units, and star letters. It also shows the 24 solar terms, new/full moon times, and eclipse occurrences.
Study systems with quizzes on B737, B777, A320, and A380 aircraft. Take general or system-specific tests. Track progress with charts and rankings based on scores. Review results and improve over time.
