ASTRONOMY

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Across
  1. 2. It is the sixth planet from the Sun and the second largest planet in our solar system.
  2. 3. It is a theater built primarily for presenting educational and entertaining shows about astronomy and the night sky, or for training in celestial navigation.
  3. 4. It is a garment worn to keep a human alive in the harsh environment of outer space, vacuum and temperature extremes.
  4. 5. An astronomical object of very high luminosity found in the centers of some galaxies and powered by gas spiraling at high velocity into an extremely large black hole.
Down
  1. 1. It is a location used for observing terrestrial or celestial events.
  2. 2. It is an object in space that orbits or circles around a bigger object.
  3. 3. Originally considered the ninth planet, was classified as a dwarf planet.
  4. 4. It is the radiation astronomy of the star.