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Exploring the Vast Space Universe: Galaxies, Planets, and More

Delve into the components of the space universe, from galaxies like the Milky Way to planets in our solar system. Discover the diverse celestial bodies, including stars, moons, comets, and asteroids. Learn about the unique features and characteristics of terrestrial and gas planets, and explore the intriguing phenomena like constellations and meteoroids. Unveil the mysteries of the universe through fascinating links and resources provided.

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Exploring the Vast Space Universe: Galaxies, Planets, and More

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  1. Components of Space

  2. Universe • All of space that includes many galaxies

  3. Galaxy • A system of stars mixed with gas and dust. • We are part of the Milky Way Galaxy, which is a spiral galaxy. • The next closest galaxy is called Andromeda. • There are approximately 200 billion stars in our galaxy.

  4. Solar System • The solar system includes the sun and all the bodies that orbit around it.

  5. Planet • A spherical body that orbits around the sun and has its own gravity

  6. Put the following in order from largest to smallest: Solar System • Universe • Galaxy • Planet Universe Galaxy Solar System Planet

  7. Inner Planets • These are known as terrestrial planets because they are dense and rocky • Mercury • Venus • Earth • Mars

  8. Asteroid & Asteroid Belt • Asteroid – A large rock which is smaller than a planet and orbits the sun • Asteroid Belt – asteroids that revolve around the sun between the orbits of Mars and Jupiter

  9. Outer Planets • These are known as the gas giants because they are very large and mostly made of gas • Jupiter • Saturn • Uranus • Neptune

  10. Dwarf Planet - Pluto • Pluto is now classified as a dwarf planet because it is very small

  11. Solar System Diagram

  12. Moon • A naturally occurring satellite orbiting around a planet • Some planets have more than 1 moon

  13. Star • A massive ball of luminous gas that are held together by their own gravity • A star creates its own light • The life cycle of a star is determined by its mass.

  14. Constellation • A group of stars that form a pattern in the sky

  15. Comet • An icy body that releases gas or dust and has a long oval orbit

  16. Meteoroids & Meteor & Meteorites • Meteor – a meteoroid that enters Earth’s atmosphere and completely burns • Meteoroid – a chunk of rock or dust that usually comes from comets or asteroids • Meteorite – a small rock that lands on earth from space

  17. Additional Links • http://www.kidsastronomy.com/solar_system.htm • http://science.nationalgeographic.com/science/space/solar-system • http://www.nasm.si.edu/research/ceps/etp/etp.htm

  18. Ticket Out Which planets are terrestrial and which planets are gas planets?

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