Technology and Space Exploration
This tool helps scientists see faraway planets and stars.
What is a telescope?
Stars look smaller than the Sun because they are ______.
What is farther away?
The main difference between stars and planets.
What is stars make their own light, and planets reflect light?
Models of the solar system are useful because they help us do this.
What is understand how the solar system works?
This is the reason why day and night happen on Earth.
What is Earth's rotation?
This type of spacecraft carries astronauts into space.
What is a rocket?
Some stars look brighter than others because ______.
What is their size or distance from Earth?
The name of the star at the center of our solar system.
What is the Sun?
One strength of a solar system model is that it can show ____________ about the planets.
What is their order or relative positions?
This is the amount of time it takes Earth to complete one full rotation on its axis.
What is 24 hours?
This robot explores planets like Mars and sends information back to Earth.
What is a rover?
The name for a group of stars that forms a pattern in the sky.
What is a constellation?
This planet is known as the "Red Planet."
What is Mars?
A limitation of most solar system models is that they cannot show ______________ accurately.
What is the actual size or distance between planets?
This is why the length of day and night changes throughout the year.
What is the tilt of Earth's axis?
This famous telescope orbits Earth and takes pictures of space.
What is the Hubble Space Telescope?
The color of the hottest stars.
What is blue?
This is the largest planet in our solar system.
What is Jupiter?
This is why scientists use models instead of studying the real solar system directly.
What is the solar system is too large to study all at once?
This is the part of Earth that experiences 24 hours of daylight during summer.
What is the Arctic Circle (or polar regions)?
This is the name of the first human to walk on the Moon.
Who is Neil Armstrong?
This is the reason stars seem to move across the night sky, even though they are not actually moving.
What is Earth's rotation?
This planet is famous for its beautiful rings.
What is Saturn?
This is an example of a type of solar system model that you can hold in your hands.
What is a physical model?
This is the name for the two days of the year when day and night are almost equal in length.
What are the equinoxes?