Terrestrial planet
What are the four terrestrial planets?
mercury, venus, earth and mars
What are the four gas giant planets?
Jupiter, saturn, uranus and neptune
What is a galaxy?
large collection of stars and dust held together by gravity
What are stars mainly made of?
Hydrogen and Helium
What are sunspots?
dark spots on the sun surface that has a slightly lower temperatures
Why are Mercury, Venus, Earth, and Mars called terrestrial planets?
Because they are rocky and dense
Where are the gas giant planets located in the solar system?
Far from sun
What galaxy is our solar system located in?
Milky way galaxy
How is a star's colour related to its temperature?
because its a blackbody
What are solar flares?
explosive reaction on surface of sun that has a temperatures that may reach millions of degrees
What are the main characteristics of terrestrial planets?
Rocky dense and relatively small
What type of atmospheres do gas giant planets have?
Thick gasseous atmosphere
What type of galaxy is the Milky Way?
spiral galaxy
What are the three layers of the Sun's atmosphere?
photosphere, chromosphere and corona
What are prominences?
huge loops on surface of the sun that are slightly cooler and can fit multiple planets inside
How are terrestrial planets different from the gas giant planets?
smaller, closer to sun, has no rings, rocky and dense.
What are the cores of gas giant planets like?
Rocky core
What are the three main types of galaxies?
spiral, elliptical and irregular
What is differential rotation of the Sun?
sun moves faster at equator (25days) and slower at poles (35 days)
How are sunspots different from solar flares?
sunspot are dark spots that are cooler than sun surface while solar flare is explosive reaction that has higher temperature then surface of the sun
Which terrestrial planet do we live on?
Earth
What are planetary ring systems made of?
Ice, rocks and dust
How is a spiral galaxy different from an elliptical galaxy?
It has spiral arms
What are the three solar activities
solar flare, solar prominence and sun spot
How is a prominence different from a solar flare?
prominence is huge loop of cooler temperatures while flare is explosive reaction with higher temperatures