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Scale of the Universe
Physics Before you watch the video, think about the smallest things and the biggest things you can name. What are they? Use the video below to answer the worksheet questions below.
Night Skies
Astronomy Beyond our own solar system, we have discovered thousands of planetary systems orbiting other stars in the Milky Way. Find stars and planets with this free star map of the night sky. See the current sky tonight and use the activity sheets to draw the constellations that you observe. 
Online Planetarium
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Our Solar System
Astronomy The solar system is the Earth's little neighborhood. So it makes sense that scientists know more about the solar system. Complete the Quiz after learning about each planet. 
Space
Astrophysics Watch the video below to learn about the future of space travel. Who is narrating the video? How long is one day on Earth compared a day on the quick moving spaceship? What are the limitations of space travel? 
The Future of Space Travel
What are the dimensions of the solar system? Complete the table/graph in this virtual lab to see the size of our solar system.
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