An extremely dense matter in space in which no light or matter can escape
What is a black hole?
The brightness of a star as seen from Earth
What is apparent magnitude?
The smallest planet in our Solar System
What is Mercury?
Some burn up when they enter Earth's atmosphere, causing them to become a shooting star
What is a meteoroid?
When nuclear fusion ends, stars end their lives in this explosion of its outer layers
What is a supernova?
The brightness of a star depends on these two factors
What is luminosity and distance?
This causes Earth's seasons to change
What is Earth's tilt?
Large chunks of frozen gases, dust, and rock that orbit the Sun
What is a comet?
When this begins, a star glows due to the formation of helium atoms. This creates enormous amounts of energy.
What is nuclear fusion?
Using a spectrograph, you can see that light emitted by this specific element produces 4 lines of colour.
What is hydrogen?
This planet is near the Kuiper Belt, alongside Pluto and other icy astronomical bodies.
What is Neptune?
The Milky Way is classified as this type of galaxy
What is a spiral galaxy?
A star spends the majority of its life in this phase, where it utilizes nuclear fusion to produce energy
What is the main sequence phase?
If all stars were 33 light years away
What is absolute magnitude?
The outermost layer of the Sun's atmosphere, which can be visible during a solar eclipse
What is the corona?
This keeps planets in orbit around the Sun
What is gravity?
What is left behind by a large star's core after it explodes into a supernova
What is a neutron star?
2 x 10^30 kg
What is solar mass?
The gravitational pull of the Moon causes this
What are ocean tides?
These come into contact with Earth's atmosphere, producing a colourful array of colours in the night sky (aurora borealis)
What are solar winds?