Question

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what are two reasons why the terrestrial planets formed closer to the sun after the supernova event that initiated the formation of the solar system?

• they are made of denser objects, which can condense at relatively high temperatures
• they contain lightweight materials that condense in areas of relatively low radiation
• they are made of heavier elements, which have a stronger gravitational attraction to the sun
• they are relatively small in size, so the sun’s gravity has a strong influence on them
• they have gaseous surfaces, which is ideal in those areas of high radiation near the sun

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Explanation:

• Terrestrial planets are made of denser materials (like metals and rocky substances) that can condense at higher temperatures (closer to the Sun where it was hotter during solar system formation).
• Heavier elements (which terrestrial planets are composed of) are more strongly attracted gravitationally to the massive Sun, so they stayed closer.

Answer:

They are made of denser objects, which can condense at relatively high temperatures; They are made of heavier elements, which have a stronger gravitational attraction to the Sun.