Who is telling lies?
a. Light year is used to measures time.
b. End stage of a star depends on its initial mass.
c. A star ends its life as a neutron star when the pressure of its electrons balances its gravity.
d. Only light can emit from the blank hole.
e. The sun will pass through the supergiant stage during its evolution.
f. The Sun will end its life as a white dwarf.
Search and you will find.
1. Our galaxy is called ___________.
2. There are about _________ stars in our galaxy.
3. Milky way is a ____________ galaxy.