Stars

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Across
  1. 2. The event from where all stars (and everything else) came from.
  2. 8. It consists of 12 signs—Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpio, Sagittarius, Capricorn, Aquarius, and Pisces—based on the sun's position at birth.
  3. 9. An extremely dense remnant left after a supernova.
  4. 11. A type of astronomical body orbiting the Sun.
  5. 12. A recognizable pattern of stars in the night sky.
  6. 14. A massive, energetic explosion of a star.
  7. 15. The gravitationally curved trajectory of an object, such as the trajectory of a planet moving around a star.
  8. 16. The entirety of space and time and their contents, including galaxies, stars, planets, all other forms of matter and energy.
  9. 17. A small star.
  10. 19. A device used to observe distant objects by their emission, absorption, or reflection of electromagnetic radiation.
  11. 20. An occultation of the Sun by the Earth's Moon, in which a portion of the Earth passes through the shadow cast by the Moon, temporarily blocking sunlight, fully or partially.
  12. 21. The barred spiral galaxy that includes the Earth's Solar System.
  13. 22. Of or relating to the a Moon.
  14. 23. A region where gravity is so strong that nothing, not even light, can escape.
  15. 24. How long it takes us to orbit our star
Down
  1. 1. A massive explosion that occurs when a high-mass star dies.
  2. 3. A large, gravitationally bound system of stars, stellar remnants, interstellar gas, dust, and dark matter, each of which orbits a center of mass.
  3. 4. The vast, nearly empty expanse that exists beyond the Earth and between all celestial bodies.
  4. 5. The distance light travels in one year (approx. 9.46 trillion km).
  5. 6. The solid, rocky body that orbits the Earth as its only natural satellite,
  6. 7. The gravitationally bound planetary system of the Earth's Sun and all of the objects that orbit it.
  7. 10. a small body in outer space, ranging in size from grains to objects up to one meter wide.
  8. 13. The closest star to us.
  9. 14. A massive, luminous spheroid of plasma held together by its own gravity.
  10. 18. The study of stars.