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What fact about the Solar System do our observations of Venus’ phases demonstrat

ID: 1836143 • Letter: W

Question

What fact about the Solar System do our observations of Venus’ phases demonstrate most strongly?

That the Sun orbits the Earth

That the World is round

That the Solar System had a beginning

That the Earth orbits the Sun

That Venus orbits the Sun

Which of the following observations DOES NOT support the notion that the Earth revolves around the Sun?

The Parallax of Stars

The Aberration of Starlight

The Phases of Venus

The Phases of the Moon

Kepler’s Laws of Planetary Motion

What property of a star most strongly affects the presence or lack of specific spectral lines in a star’s spectrum?

The star’s mass

The star’s radius

The star’s composition

The star’s temperature

The star’s density

Which star will live longer from the moment of its birth, Alnitak or Vega?

Alnitak

Vega

There is not enough information to tell

That the Sun orbits the Earth

That the World is round

That the Solar System had a beginning

That the Earth orbits the Sun

That Venus orbits the Sun

Which of the following observations DOES NOT support the notion that the Earth revolves around the Sun?

The Parallax of Stars

The Aberration of Starlight

The Phases of Venus

The Phases of the Moon

Kepler’s Laws of Planetary Motion

What property of a star most strongly affects the presence or lack of specific spectral lines in a star’s spectrum?

The star’s mass

The star’s radius

The star’s composition

The star’s temperature

The star’s density

Which star will live longer from the moment of its birth, Alnitak or Vega?

Alnitak

Vega

There is not enough information to tell

Explanation / Answer

1)

The phases of venus results , that the venus planets orbit round the sun inside the earth.

(Venus orbits around the sun is correct.)

2)

Prallax of stars is the correct option which does not support earth revolves around the sun.

3)

Stars temperture is correct, from weins law, wavelength of spectral line is inversely proportional to its absolute temperature.

4)

Vega is correct, will probably only live from billions of years.

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