Defend the by launching energy balls at enemy spaceships. Upgrade weapons and unlock new abilities. Navigate through waves of increasing difficulty. Customize ship appearance and select power-ups. Compete in leaderboards and unlock achievements.
View celestial objects like planets, galaxies, and stars visible from your location. Filter viewing lists by observation time and object type. Generate lists for specific locations. Identify objects in the night sky using geographic data.
Track asteroid and meteor events with an interactive map showing impact locations and energy levels. View detailed orbital data and risk assessments for -Earth objects. Search NASA's asteroid database for specific objects and their characteristics.
