Formation of Stars Flashcards
1
Q
From what do new stars form in galaxies?
A
New stars form from the gas and dust in galaxies.
2
Q
What force pulls together the gas and dust to form new stars?
A
The force of gravity
3
Q
How do stars shine, and what is the key process involved?
A
Stars shine due to the nuclear fusion of hydrogen into helium, producing heat and light.
4
Q
What is the Orion Nebula, and what can be observed in its photograph?
A
It is a region where stars are forming. The photo shows dark areas, hot new stars, and glowing gas.
5
Q
How long do stars like the Sun last, and what process sustains their brightness?
A
Stars like the Sun last about 10 billion years, shining due to nuclear fusion in their cores.
