Which type of star is the Sun?

Study for the Ohio 5th Grade Science OST Test. Prepare with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

Which type of star is the Sun?

Explanation:
Stars are categorized by their life stage and temperature. The Sun is in the main sequence, a stable phase where it fuses hydrogen into helium in its core, which keeps it shining steadily. Its surface temperature is about 5,500–6,000 kelvin, giving a yellowish-white glow that places it in the yellow dwarf category, also known as a G-type dwarf. This is why the Sun is described as a yellow dwarf. White dwarfs are tiny, cooled remnants with no fusion; red giants are large, expanded stars with cooler outer layers; neutron stars are extremely dense remnants after dramatic explosions. So the Sun’s current state fits the yellow dwarf description.

Stars are categorized by their life stage and temperature. The Sun is in the main sequence, a stable phase where it fuses hydrogen into helium in its core, which keeps it shining steadily. Its surface temperature is about 5,500–6,000 kelvin, giving a yellowish-white glow that places it in the yellow dwarf category, also known as a G-type dwarf. This is why the Sun is described as a yellow dwarf. White dwarfs are tiny, cooled remnants with no fusion; red giants are large, expanded stars with cooler outer layers; neutron stars are extremely dense remnants after dramatic explosions. So the Sun’s current state fits the yellow dwarf description.

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