AQA GCSE Physics - Space physics

A star can form from a cloud of dust and gas called a..?

• nebula

• red giant

• supernova

• white dwarf

What do we call the stable period of a star's life cycle?

• middle ages

• steady state

• stable phase

• main sequence

What process occurs in stars?

• Nuclear fusion

• Nuclear fission

• Nuclear fussion

• Nuclear fision

How many planets are there in the solar system?

• 8

• 9

• 6

• 7

For an object in circular orbit around the Earth, its instantaneous velocity will be...

• parallel to direction of acceleration

• perpendicular to direction of acceleration

• perpendicular to the direction of motion

• parallel to the velocity

The closer you get to a star/planet, the ____ the gravitational force

• Weaker

• Stronger

What dictates when a main sequence star starts to become a red giant or red supergiant?

• When it runs out of hydrogen

• When it runs out of helium

• When it runs out of uranium

• When it runs out of oxygen

Elements heavier than ____ cannot be produced by a main sequence star

• Iron

• Tungsten

• Carbon

• Lead

If a star is being observed from Earth and it's light has shifted towards the blue side of the electromagnetic spectrum it would be...

• Moving towards the Earth
• Moving away from the Earth
• This is a trick question that cannot be answered
• It isn't a star, it is a very large blueberry.

Tags

NGSS.HS-ESS1-2

The vast majority of galaxies in our universe are moving away from us.  We know this because we observe __________ in the galaxies absorption spectra.

• Redshift
• Blueshift
• Turbulance
• Superposition

Tags

NGSS.HS-ESS1-2