Which of the following observations would support the solar nebula theory over the passing star hypothesis? a.Proving that most of the sun-like stars near the sun also have planets orbiting them. b.Proving that none of the stars near the sun has planets orbiting them. c.Finding a planet located beyond the orbit of Pluto. d.Finding a meteorite whose age proved to be greater than 4.6 billion years. e.Proving that Mercury has the same uncompressed density as Earth.

Introduction: The nebular hypothesis is the most widely accepted model in the field of cosmogony to…

Answered: Which of the following observations…

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List the following 5 terms in order through a stars life cycle (starting with the sun), through the remainder of its lifetime: a. Black dwarf b. Planetary nebula c. Red giant d. Star (Sun) e. White dwarf
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The planet Uranus was discovered in 1781, and Neptune, the next planet outward from the Sun, was discovered in 1846. Imagine you're an astronomer in 1846, and you start wondering if there's another planet out beyond Neptune. You decide to try and discover its existence using the same method that was used for Neptune. How will you do this? Group of answer choices You'll recruit a large number of astronomers to use their telescopes to carefully scan the sky in directions that are far from the ecliptic. The regions around the north and south celestial poles will probably be the best "hunting grounds" for the new planet. You'll examine Uranus and Neptune very carefully, on every clear night, for several years, to see if you can find any evidence that sunlight has been reflected off of the `new' planet, then off of Uranus or Neptune, before arriving on Earth. On rare occasions when Neptune passes in front of the Sun, as seen from Earth, you'll look carefully at the Sun (with a safe…
A) A typical dust grain has a radius of about 0.1 micrometers and a mass of 10-14 grams. Roughly how many dust particles are in a cloud containing 1000 Msun of dusty gas if 1% of the cloud's mass is in the form of dust grains? B) What surface area would be covered by these grains if you put them side by side? Assume these grains are spherical. Answer in square light-years. C) Estimate the total surface area covered by the cloud assuming it's matter density is like that of a typical molecular cloud, about 10-21 g/cm3 (Hint: first calculate the clouds volume from it's mass and density, then determine its radius using the formula for volume of a sphere) Answer in square light-years. D) Comparing all above answers, What are the chances (very roughly) that a photon passing through the cloud will hit a dust grain?
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Describe the Nebular Theory. Include A) what it is, B)what happened, and C) at least three lines of evidence to support it.
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	a.	Proving that most of the sun-like stars near the sun also have planets orbiting them.
	b.	Proving that none of the stars near the sun has planets orbiting them.
	c.	Finding a planet located beyond the orbit of Pluto.
	d.	Finding a meteorite whose age proved to be greater than 4.6 billion years.
	e.	Proving that Mercury has the same uncompressed density as Earth.