Across
- 2. A small body of matter from outer space that enters the earth's atmosphere, appearing as a streak of light.
- 8. A region of spacetime exhibiting gravitational acceleration so strong that nothing—not even particles and electromagnetic radiation such as light—can escape from it.
- 9. A mountain or hill, typically conical, having a crater or vent through which lava, rock fragments, hot vapor, and gas are being or have been erupted from the earth's crust.
- 10. A massive system of stars, stellar remnants, interstellar gas, dust, and dark matter.
Down
- 1. The fastest land animal, known for its incredible speed and agility.
- 3. A colorless, odorless reactive gas, the life-supporting component of the air.
- 4. The element that is the basis of all known life, found in coal and diamonds.
- 5. The force that attracts a body toward the center of the earth, or toward any other physical body having mass.
- 6. The remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock.
- 7. A large bear-like mammal, native to China, known for its distinctive black and white coloring.