Weegy: The sun is is primarily composed of two main elements: hydrogen and helium.
User: What astronomical unit is closest to the distance of the earth to the sun
Weegy: 1 AU is the astronomical units closest to the distance of the earth to the sun.
User: In a star nuclear fusion occurs in
Weegy: Nuclear fusion occurs in the core of the Sun.
User: Which layer of the sun produces energy that reaches the earth
Weegy: Core layer of the sun produces energy that reaches the earth.
User: Which explanation accounts for the formation of sunspots
Weegy: Sunspots are formed continuously as the Sun's magnetic field actively moves through the Sun is the explanation accounts for the formation of the sunspots.
User: Which of the following explanations accounts for formation of sunspots
Weegy: The curvature of magnetic fields near the sun's equator creates pockets in the photosphere that aren't warmed by convection. - accounts for the formation of sunspots.
User: Which position of the earth represents a solstice
Weegy: Middle of summer represents a solstice.
User: When does an object break up due to gravity and tidal forces as it approaches a planet
Weegy: An object breaks up due to gravity and tidal forces as it approaches a planet: when it passes the Roche limit.
User: Where does the solar wind originate
Weegy: The solar wind originates from the Sun's corona.
User: Which phenomenon occurs when the moon and earth are aligned with the sun
Weegy: Eclipse occurs when the Moon and Earth are aligned with the Sun.
User: How can you determine a star is about to turn into a red giant
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