Stars
A sphere of hot gas that gives off light and heat is called this.
What is a star?
This star is the closest to Earth and is at the center of our solar system.
What is the Sun?
The first stage of a medium-sized star's life.
What is a nebula?
This is what occurs when a massive star explodes.
What is a supernova?
This is how the size of our Sun is described.
What is a medium-sized star?
This color star is the hottest in temperature.
What is blue?
This force holds the planets and other bodies in orbit around the Sun.
What is gravity?
The second stage of a medium-sized star's life.
What is a protostar?
These form when giant stars run out of energy and collapse onto itself.
What is a black hole?
Stars produce these two things.
What is heat and light?
This color star is the coolest in temperature.
What is red?
There are about this many miles between the Sun and Earth.
What is 93 million miles?
This is the longest stage of a medium-sized star's life and it is the stage our Sun is currently in.
What is a star?
This force is so strong that it does not allow anything to escape black holes, not even light.
What is gravity?
This is the layer of the Sun that generates energy.
What is the core?
These units measure the distance that light travels in one year.
What are light-years?
This is how long it takes for the Sun's light to reach Earth.
What is 8 minutes?
This is the fourth stage of a medium-sized star's life.
What is a red giant?
Scientists believe the intense gravity of black holes can change this in space.
What is time?
This is the layer of the Sun we see when we look at it.
What is the photosphere?
Stars such as our Sun are the source of almost all what on Earth?
What is energy?
This is the age of our Sun.
What is about 5 billion years old?
This is the last stage of a medium-sized star's life.
What is a white dwarf?
The boundary in which nothing can escape a black hole once crossed.
What is the event horizon?
This is the reason why the Sun appears to be larger and brighter than all other stars in the sky.
What is being the closest star to Earth?