Home star resource center star frequently asked questions (faqs) star frequently asked questions (faqs) find answers to your questions about the star program, as well as star credit …A star is a luminous spheroid of plasma held together by self-gravity.[1] the nearest star to earth is the sun.Many other stars are visible to the naked eye at night;Their immense distances from earth …These large, swelling stars are known as red giants.But there are different ways a star’s life can end, and its fate depends on how massive the star is.