Stars
Gigantic balls of very hot gases that give off radiation.
Name one physical characteristic of the sun
Answers include:
- It is a ball of gases
- It gives off light and heat
- It has no hard surfaces
- It is very hot
Define constellation
A group of stars that forms a pattern.
What is the largest object in our solar system?
The sun
TRUE OR FALSE; The Sun has an atmosphere
TRUE, like the Earth, the Sun has an atmosphere.
Why is the Polaris star called the North Star
Because it is almost directly above the North Pole.
Why does the Sun appears larger and brighter to us than all the other stars in the sky?
Because it is the closest star to Earth.
TRUE OR FALSE; Stars move in unpredictable ways.
False, stars move in predictable ways.
1. Photosphere
2. Chromosphere
3. Corona
What constellation contains the Polaris star?
The Little Dipper
The enormous, glowing loops of gas that sometimes erupt from the Sun's surface.
Prominences
Name a star found in the Little Dipper
The Polaris
What are the two type of eruptions that take place on the Sun?
Solar flares and prominences.
How many constellations do scientists divide the night sky into?
88 constellations.
These two Earth motions are why the constellations we see shift and change throughout the different seasons.
Earth's rotation and Earth's revolution
What makes stars appear to move in the sky?
The rotation of the Earth.
What is a solar flare similar to on Earth
Volcanoes
How might constellations help scientists study the sky?
Constellations make it easier to locate some individual stars.
Because the Sun is so large, it has this physical property that is strong enough to keep all eight planets in orbit around it.
Gravity