GIANT WORDFIND

The words below all relate to space. All except one of them can be found in the grid. They can read backwards or forwards, vertically, horizontally or diagonally. The leftover entry is the mystery answer.

Alien Alpha Centauri Asteroid Astronaut Astronomy Big Bang Black Hole Charon Chasma Comet Constellation Corona Cosmos Dark Matter Earth Fly-by Galaxy Gravity Hubble

Interstellar Jupiter Kuiper Belt Mars Meteor Milky Way Moon NASA Nebula Neptune Orbit Perigee Planet Pluto Pulsar Quasar Radiation Red Dwarf Rocket

Satellite Saturn Solar Flare Solar Wind Southern Cross Star Supernova Telescope Universe Venus