Some space objects are visible to the human eye

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Presentation transcript:

Some space objects are visible to the human eye Today’s objective: Recognize how the universe is arranged

How far is the Moon from Earth Read through the procedure Do the explore activity with your group Answer the What do you think questions. What do you think? How does the scale model compare with your previous idea of the distance between Earth and the Moon? How many Earths do you estimate would fit between Earth and the Moon?

Structures in the Universe Gravity causes objects to be grouped together in space 1. Earth orbits the Sun Diameter is 8,000 miles The Moon orbits the Earth ORBIT: a path of an object in space as it moves around another object due to gravity 2. Solar System Made up of the Sun, planets and other small objects The Suns diameter is 100 times greater than earth

Structures in the Universe 3. Milky Way (a galaxy) GALAXY: a group of millions/billions of stars are held together by their own gravity 4. Universe is everything!!! It is the space and all the matter and energy in it It has billions of galaxies (ex: Milky Way)

Constellation A group of stars that form a pattern in the sky Astronomers have divided the sky into 88 constellations Ancient Greeks named many constellations after animals