IGCSE Physics Space

Which of the following is the largest?

• Planet

• Galaxy

• Satellite

• Comet

• Star

Tags

NGSS.MS-ESS1-3

What is the reason a Main sequence star is so stable?

• The number of atoms remain the same

• The radiation pressure balances the pressure of weight

• Magnetic forces within it hold it together

• It has plenty of emotional support from it's friends

Tags

NGSS.HS-ESS1-1

What is a comet?

• Large rocky ball of ice that orbits the sun

• Cluster of billions of stars

• Lumps of rock or iron that orbit the sun

• Minor planets

Tags

NGSS.MS-ESS1-3

The force of gravity ____ as the mass of an object increases.

• decreases

• increases

• remains constant

• disappears

Tags

NGSS.HS-PS2-4

Any object that orbits another object.

• Earth

• elipse

• star

• satellite

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-4

The time required for the Earth to rotate once on its axis?

• day

• month

• week

• year

The time required for the Earth to orbit once around the Sun.

• day

• week

• month

• year

_____ should have enough gravitational force to pull in light.

• stars

• black holes

• red giants

• supernovae

the star at the center of the Solar System that supplies heat and light to earth; its enormous gravity keep the Solar System in orbit.

• satellite
• sun
• craters
• moon

A small icy space object orbiting the sun that makes a tail of gas and dust is?

• Meteor
• Comet