Structure of the Sun
What is the Sun made of?
Ball of hot gases.
What is a solar eclipse?
The Moons shadow on Earth.
What is an astronomical unit?
A unit equal to the average distance between Earth and the Sun. 150000 km.
Which group of planets are smaller?
Inner Planets
What is a constellation?
An apparent group of stars that make a shape.
Where does the Sun make its energy?
core
What causes a solar eclipse?
The Moon passes between the Sun and Earth
What do we call the group of 4 planets that are closest to the Sun?
inner planets
How are the surfaces of the inner and outer planets different?
The inner planets have a solid surface and the outer planets are mostly gas.
Why would starts of different sizes and brightness appear to be the same size or brightness?
distance
Which layer of the Sun has gas moving in circles?
Convection layer
What is a partial solar eclipse?
The Moon only blocks a part of the Sun's light.
How is the spacing (the distance between planets) different in the inner and outer planets?
The inner planets are closer together, and the outer planets are farther apart.
What re the largest and smallest planets in the solar system?
Jupiter is the largest and mercury is the smallest
Do constellations move?
no
Which layer of the Sun do we see?
photosphere
What is the name of the dark part of the shadow in a solar eclipse?
umbra
What is the distance from the Sun to the farthest planet in the solar system and what is the name of the planet?
30 AU Neptune
What is the most important thing that makes Earth different from all the other planets in the solar system?
life
Why do constellations appear to move?
Earth is rotating
Why are sunspots and flares different colours?
Different temperatures
Why isn't there a solar eclipse every month?
The tilt of the Moons orbit causes it to be either too high or too low when it passes between the Sun and Earth most of the time.
Why is an AU the average distance from the Sun to Earth?
Earth's orbit is elliptical and it is not always the same distance from the Sun.
Which planet is the hottest, why is it the hottest, and why should we be worried about this?
Venus, a thick atmosphere with a lot of CO2, we are putting a lot of CO2 into our atmosphere
How can people in the Northern Hemisphere navigate using constellations?
The North Star (Polaris) is on the end of the handle of the Little Dipper (Ursa Minor). Following Polaris will take you North.