Defend Earth against 6 potentially hazardous asteroids.

"Asteroids Defense" is a free online knowledge level game to defend planet Earth from falling asteroids. Minute to win it game. Astronomy learning game, suitable for online classes and interactive lessons. Fun astronomy educational game to explore and study Earth-crossing potentially hazardous objects. Part of the Interactive Astronomical Observatory educational tools.

There are 6 Earth defense rockets at the bottom of the screen. Press keyboard key "1" to launch rocket 1, key "2" for rocket 2, key 3 for rocket 3 and so on. From the top of the screen random generated hazardous asteroids will begin to fall toward Earth's atmosphere. Hit and destroy them with the rockets before they reach the Planet. Destroy 84 asteroids to win the game.