Introduction to the Universe

Questions and Answers

Match the following terms with their definitions:

Universe = All of space and time and their contents Planets = Celestial bodies orbiting a star Stars = Luminous celestial bodies fueled by nuclear fusion Galaxies = Massive systems of stars, stellar remnants, gas, and dust

Match the following forms of matter with their characteristics:

Matter = Anything that has mass and occupies space Energy = The capacity to do work or produce change Planets = Large bodies that orbit stars Galaxies = Collections of billions of stars and their systems

Match the following celestial phenomena with examples:

Stars = Sun Planets = Earth Galaxies = Milky Way Universe = All that exists

Match the following concepts with their broader categories:

<p>Planets = Astronomy Galaxies = Astrophysics Stars = Cosmology Universe = Space science</p> Signup and view all the answers

Match the following descriptions with their corresponding items:

<p>All forms of matter and energy = Universe Objects in orbit around stars = Planets Massive clusters of stars and other matter = Galaxies Hot, glowing spheres of plasma = Stars</p> Signup and view all the answers