space topic 18.8.26-1.10.26
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27 Terms
What makes up the solar system
The sun and the objects that orbit it.
Name objects that orbit the solar system
Planets , asteroids , dwarf planets , comets
Describe Inner planets and name them
Inner planets are rocky and close to the sun.Heavy elements are found in them.
Inner planets: Mercury , Venus , Earth , Mars
Describe and name the outer planets
The outer planets are gas giants.Light elements are found.They are not solid.
Outer planets: Jupiters , Saturn , Uranus , Neptune
What is a planet?
Needs to orbit the sun , Gravitational pull to be a spherical shape , needs to clear its neighbourhood of its orbit
When daytime Occur
Daytime occurs when the side of the earth you are points toward the sun
When does Night occur
Night occurs when the side of the earth your on points away from the sun
What is a day
A day is the time for the earth to rotate once
What is a year?
A year is the time for the earth to orbit the sun once
What is a leap year
A leap year is an extra day of the year that occurs ever four years.
What season does the northern hemisphere experience when the North Pole points towards the sun.
Summer
What is the moon?
The moon is the earths natural satellite
Why do we use lightyears
The universe is so large distances are measured in astronomical universe / lightyears
What is a lightyear?
The distance that light travels in a year
What do the two lenses in the refracting telescope do.
They will refract the light.
What is the objective lense used for
It is used to collect light from distant objects.
The eyepiece lense do?
The eyepiece then magnifies this to bright images to make it larger
What is an exoplanet?
A planet outside our solar system
What can we detect from an exoplanet?
It’s size , weight , surface temp , mas
What does life need to exist?
Oxygen , Temperature , Water liquid
What object in the solar system emits heat and light?
The sun
What is the universe?
All the time energy and matter combined into one whole.
How many planets in solar system
8
What is the name for heat radiation we detect from stars?
Infrared radiations
What is the Goldilocks zone?
The area around a star where a planets surface is not too cold nor cold for liquid water to exist
What is the name of the feature caused by Lava flows on the moon
Lunar Maria
What is the name of the feature on the mood caused by meteorites hitting the surface of the moon?
Impact crater