Characteristics of Stars

Most scientists believe the Big Bang Theory explains which of the following questions?

• How our planets and moons formed

• How our universe began

• How the sun turns hydrogen into helium

• How fast light travels through space

Tags

NGSS.HS-ESS1-2

Why do red-shifted light spectrums from neighboring galaxies indicate the universe is expanding?

• Red light has a short wavelength on the visible light spectrum

• Red light has the long wavelength on the visible light spectrum

• Red light has both long and short wavelengths on the visible light spectrum

• Red light has neither long, not short wavelengths on the visible light spectrum

Tags

NGSS.HS-ESS1-2

Observe the Spectral lines from a known star in our galaxy (EXPECTED). Determine whether stars Vega and Sirius (outside our galaxy ) are MOVING TOWARDS or MOVING AWAY from us.

• Both of these stars are moving away from us.

• Both of these stars are moving towards us.

• Both of these stars are blueshifted.

• The star Sirius is closer to us.

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

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-PS4-3

Is Galaxy A moving

• Away

• Towards

• Stationary

Tags

NGSS.HS-ESS1-2

Which galaxy is moving faster?

• Galaxy B is moving faster because it had a bigger shift

• Galaxy B is moving slower because it had a bigger shift

• Galaxy A is moving faster because it had a smaller shift.

Tags

NGSS.HS-ESS1-2

NGSS.HS-PS4-1

Which of the following is proof for the Big Bang Theory?

• similar composition of Earth and the Moon

• stars appear to move in the night time sky

• cosmic background radiation

• Ms. Phelan's dog chasing his tail

Tags

NGSS.HS-ESS1-2

1. According to the Luminosity and Temperature of Stars Earth Science reference table, the Sun is classified as a

• blue supergiant star with a temperature of approximately 20,000K and a luminosity of 700,000

• main sequence star with a temperature of approximately 5,500K and a luminosity of 1

• main sequence star with a temperature of approximately 4,000K and a luminosity of 100

• white dwarf star with a temperature of approximately 10,000K and a luminosity of 0.01

10. Barnard's Star has a surface temperature of about

• 300 K

• 3000K

• 5000 K

• 10,000 K

Looking at the provided image and your Earth Science Reference Tables, which star is most likely to become a supernova?

• Sun

• Deneb

• Pollux

• Barnard's Star

Tags

NGSS.HS-ESS1-3