Solar System

How is it possible for sailors to use stars to find their way when traveling across the ocean?

• They move with the stars
• They saw the stars didn't move
• They read messages in the stars patterns
• The stars helped them read maps

What is true about constellations or patterns of stars?

• They move around in Outer Space
• The planets make the constellations move
• The constellations share many of the same stars
• They stay in the same pattern as they move

Why is the Hubble Space Telescope valuable for studying objects outside our solar system?

• It can take clear pictures
• It is the biggest telescope ever made
• Robots control it
• We already know everything about the solar system

Why are stars different colors?

• Red is the coldest
• Colors are different
• Temperatures are different
• Blue is the hottest

Why do stars appear to move across the sky every night?

• Earth is staying still
• Earth is moving around the planets
• Earth is spinning
• Earth has an axis

Why does the sun appear to move across the sky each day?

• Earth is spinning
• Earth rotates on its axis
• Star patterns allow the sun to move
• It causes the phases of the moon

True or False: The planets can be seen in different locations at different times because planets move through space around the moon.

• True
• False

Why do the positions of some constellations appear to change with the seasons?

• We are tilted
• The Earth revolves around the sun
• Planets move through space
• Stars move across the night sky

Why do the pattern of stars in a constellation stay the same?  

• The stars do not move
• The stars move based on the season
• The planets cause the star patterns to change
• The storms in outer space

It takes 365 days for the earth to complete its orbit around the sun.
True or False

• True
• False