Space Terms

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Across
  1. 2. A late-stage star in which hydrogen fusion has ceased in its core, causing it to expand and become reddish in color.
  2. 3. The entirety of space, time, matter, and energy that encompasses all galaxies, stars, planets, and everything in existence.
  3. 6. The colour of the hottest stars
  4. 8. A sudden and intense burst of energy and radiation from the Sun's surface, often accompanied by solar storms.
  5. 10. A massive star in the late stages of its evolution, characterized by its enormous size and reddish appearance.
  6. 11. A powerful explosion that occurs when a star reaches the end of its life cycle, briefly outshining an entire galaxy.
  7. 12. A celestial object composed of dust, rock, and ice that orbits a star and displays a characteristic tail when it approaches the star.
  8. 15. A natural light display in Earth's north pole caused by the interaction of charged particles from the Sun with the Earth's magnetic field, creating colorful, dancing lights in the sky.
  9. 17. The curved path followed by an object as it revolves around another, often due to gravitational attraction.
  10. 18. An object that orbits a larger celestial body, such as a natural moon orbiting a planet or an artificial satellite in Earth's orbit.
  11. 20. An extremely compact and gravitationally intense region in space where nothing, not even light, can escape its pull due to the immense gravitational force.
  12. 21. Small rocky or metallic objects that orbit the sun, primarily found in the asteroid belt between Mars and Jupiter.
  13. 22. A large, looping structure of hot, glowing gas that extends from the Sun's surface into its outer atmosphere.
  14. 24. A super-dense remnant of a massive star's core left behind after a supernova, primarily composed of neutrons.
Down
  1. 1. A fragment of a rock that survives its journey through Earth's atmosphere and reaches the planet's surface.
  2. 4. A vast cloud of gas and dust in space, often the birthplace of stars and planetary systems.
  3. 5. The intrinsic brightness of a celestial object, especially stars, as observed from a standard distance
  4. 7. A luminous celestial object primarily composed of hydrogen and helium that emits light and heat through nuclear fusion, which occurs in its core, providing the energy that sustains it.
  5. 9. The scientific study of celestial objects and phenomena in the universe, such as stars, planets, galaxies, and cosmic events.
  6. 13. A large celestial body that orbits a star (typically a sun), is spherical in shape, and has cleared its orbital path of other debris.
  7. 14. A small, dense, and dim remnant of a star that has exhausted its nuclear fuel and is cooling down.
  8. 16. A vast collection of stars, planetary systems, gas, dust, and dark matter bound together by gravity, forming a distinct structure within the universe.
  9. 19. The total amount of energy radiated by a celestial object, such as a star, per unit of time. It is a measure of the object's intrinsic brightness and is often expressed in terms of the Sun's luminosity as a reference point.
  10. 22. Dark, cooler areas on the Sun's surface caused by intense magnetic activity and associated with lower temperatures.
  11. 23. A young, developing star in the early stages of its formation, characterized by gravitational contraction and nuclear fusion initiation.