Worksheetsprep 3 , unit 3 , part 3
Total questions: 10
Worksheet time: 5mins
The scientist who established the nebular theory is
Fred Hoyle.
Chamberlain.
Laplace.
Moulton.
According to Laplace assumptions, the nebula gradually lost its heat, so
its size contracted only.
its revolving speed around itself increased only.
its size increased and its revolving speed around itself decreased.
its size contracted and its revolving speed around itself increased.
According to Laplace theory, the gaseous rings which separated from nebula forming the ........... after its cooling and freezing.
Sun
planets
gaseous ball
universe
.......... theory assumed that the solar system was originally a glowing gaseous sphere.
Nebular
Crossing star
Modern
Big Bang
The scientist(s) who established the crossing star theory is(are)
Chamberlain and Moulton.
Laplace.
Newton.
Fred Hoyle.
In the modern theory, bombing the star nucleus away was due to
the force of gravity.
drop in temperature.
collision by asteroids.
huge nuclear reactions.
.... theory assumed that the origin of the solar system was from the explosion of the expanded part of the Sun forming a gaseous line of a great length from the Sun due to a huge star approached to it.
Nebular
Big Bang
Crossing star
Modern
The founder of modern theory to explain the origin of the solar system is
Chamberlain.
Moulton.
Fred Hoyle.
Laplace.
Fred Hoyle assumed that the Sun controls the orbits of planets around it due to the .......... of the Sun.
heat
light
attraction force
glowing
Astronomers use a special equipment to study the Sun, this equipment is the
hubble telescope.
solar telescope.
microscope.
light year.
