Star Formation

What is the minimum mass for a star to attain & sustain core fusion?

• about 1/10 the mass of the Sun.

• about the mass of Jupiter.

• a little more than 1/2 the mass of the Sun.

• a bit less than the mass of all eight planets combined.

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

Vast areas filled with very cold gas & dust between stars is known as

• one big empty area in space.

• "cosmic fluff."

• the interstellar medium.

• the interstellar void.

Proto-stars are also known as ____ for the constellation in which the first one was observed.

• neutron stars

• very hot fusion orbs

• T Tauri stars

• A Tari stars.

Tags

NGSS.HS-ESS1-3

The interstellar medium is an area that is packed with dense clouds of star-forming material.

• True

• False

Stars are born in clouds of stellar dust called _______________.

• nebulas

• galaxies

• planets

• supernovas

What is the first stage of every star?

• protostar

• main sequence

• blue giant

• white dwarf

All the base-elements of the periodic table come from...

• the fission inside stars.

• the fusion inside stars.

• the fire inside stars.

• the fusion of planets.

Tags

NGSS.HS-ESS1-3

What is the most abundant element found in nebulas?

• Helium

• Carbon

• Oxygen

• Hydrogen

What is the primary force responsible for the collapse of a gas cloud to form a star?

• Electromagnetic force

• Gravitational force

• Nuclear force

• Weak force

Tags

NGSS.HS-PS2-4

Which of the following stages does a star go through after the protostar phase?

• Red giant

• Main sequence

• White dwarf

• Black hole

Tags

NGSS.HS-ESS1-3