The observable universe contains an estimated 6.8 x 10^24, or 6.8 septillion, stars. To reach this estimate, astronomers conducted an exhaustive inventory of the stars in the Milky Way galaxy, made reasonable inferences ... More »

www.reference.com Science Astronomy Stellar Astronomy

While the exact number of stars in the universe is unknown, astronomers estimate that there are at least 100 billion stars in each of the 10 trillion galaxies. However, new galaxies are discovered often. More »

The exact number of stars in the universe is not known, and the total figure might be unknowable from the Earth's position in space. The universe almost certainly contains no fewer than 10^24, or 1 septillion, stars, and... More »

www.reference.com Science Astronomy Stellar Astronomy

The exact number of stars in the universe is not known, and the total figure might be unknowable from the Earth's position in space. The universe almost certainly contains no fewer than 10^24, or 1 septillion, stars, and... More »

www.reference.com Science Astronomy Stellar Astronomy

While the exact number of stars in the universe is unknown, astronomers estimate that there are at least 100 billion stars in each of the 10 trillion galaxies. However, new galaxies are discovered often. More »

The largest identified star in the known universe is VY Canis Majoris, a hypergiant of the constellation Canis Major, calculated to be more than 1,540 times larger than the sun. YV Canis Majoris is situated 5,000 light y... More »

Spiral galaxies are the most common type of galaxy in the universe, making up 77 percent of all known galaxies. These galaxies have long arms that wrap around a bright bulging center. More »

www.reference.com Science Astronomy Stellar Astronomy