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Space-Paper 2
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Total cards: 4•Content version: v4•Public deck•Updated: 8/1/2026
Card preview (4)
#1
Front (Question)
How do stars form
Back (Answer)
A cloud of dust pulled together Stars get hot enough for fusion to start
#2
Front (Question)
Why is a star stable during its main sequence stage
Back (Answer)
Inward force of gravity is balanced by an outward force produced by the energy of fosion
#3
Front (Question)
What is the relation between radius of orbit and orbital speed
Back (Answer)
Larger the radius of orbit=Lower orbital speed
#4
Front (Question)
What is the red shift effect
Back (Answer)
The observation that the wavelength of light from distance galaxies has increased