How many times the size of sun will increase when it will run out of fuel and become red giant?
a) 10
b) 20
c) 30
d) 100
The red giant phase of sun will last for about……..billions years
a) 4
b) 2
c) 1.6
d) 1.5
When sun becomes red giant, it will……earth.
a) go away from
b) come close to
c) remain at same place
d) none of these
At the end of red giant phase, the sun will turn into…….
a) neutron star
b) black hole
c) white dwarf
d) none of these
Information from Space
Telescope:
A telescope is an optical instrument using lenses, curved mirrors, or a combination of both to observe distant objects, or various devices used to observe distant objects by their emission, absorption, or reflection of electromagnetic radiation.
Which
of the following instrument is used by the astronomer to observe the distant
objects?
a) microscope
b)telescope
c)ophthalmoscope
d)periscope
