Unit 3 - Space Flashcards
Name three supporting facts that the Big Bang actually happened
- Background microwave radiation (BMR) 2. Some galaxies are red shifted 3. The whole sky would be bright
Name the two types of telescopes and how they work
REFLECTIVE - reflects light off of mirrors into the eyepiece. REFRACTIVE - refracts light down a single tube into the eyepiece
How long does it take the earth to revolve around the sun once
365.something days. I hope you got this one right….
Mars is to red as Jupiter is to…
Large ;)
Name the four terrestrial planets
Mercury Venus Earth Mars
Name the four gas giant planets
Jupiter Saturn Uranus Neptune
Where is the moon during a solar eclipse?
Between the sun and the earth
Where is the moon during a lunar eclipse?
Behind the earth
What is one AU called, and how long is one?
Astronomical unit. Its distance is from the centre of the earth to the centre of the sun.
List these star colours in order from HOTTEST to COLDEST: White Yellow Red Blue Orange
HOTTEST ———— Blue White Yellow Orange Red ———— COLDEST
Fill in the blanks: Stars larger than our sun produce _________ light energy than our sun, while smaller stars produce _______ light.
More Less
When a star about 30 times the mass of the sun dies, the resulting core is called a ________ ________.
A black hole
Fill in the blanks: A yellow star (Such as out sun) has a surface temp. of _______ degrees C. A red star has a surface temp. of ________ degrees C, and a blue star has a surface temp. of __________ to ________ degrees C.
Yellow star - 6000 degrees C Red star - 3000 degrees C Blue star - 20,000 to 35,000 degrees C
What a star about 10 times the mass of the sun dies, the resulting core is called a _________ _________.
A Neutron star
When a star the size of our sun dies, the resulting core is called a _______ _______ and is hotter than red or yellow stars.
White Dwarf
Where do all stars begin their lives?
Inside a nebula, which is a huge cloud of dusts and gases.
How are stars born?
Inside a nebula, the dusts and gases swirl around, form into clumps, and their gravity starts to attract more clumps. When enough clumps have gone together, the temperature rises, and at 10,000,000 degrees C nuclear fusion starts and the star is born.
Name the 8 moon phases, starting with a new moon.
New moon Waxing crescent First quarter Waxing gibbous Full moon Waning gibbous Last quarter Waning crescent
Which planet is the hottest? Which is the coldest? (Pluto doesn’t count)
Hottest - Venus Coldest - Neptune
What moon phase is this?
First Quarter
What moon Phase is this?
Third quarter
What moon phase is this?
New Moon
What moon phase is this?
Waxing gibbous
What moon phase is this?
Waning gibbous
What moon phase is this?
Full moon /*I hope to god you got this one right*/
What moon phase is this?
Waxing crescent
What moon phase is this?
Waning crescent
