Polaris is a star in the northern circumpolar constellation of Ursa Minor. It is designated α Ursae Minoris (Latinized to Alpha Ursae Minoris) and is commonly called the North Star or Pole Star.

2021年7月28日 · Polaris, known as the North Star, sits more or less directly above Earth's north pole along our planet's rotational axis. This is the imaginary line that extends through the …

2023年2月20日 · The North Star is the only bright star in the sky that doesn’t move. What makes it stable, and will it stay this way forever? Find this out and get to know the modern North Star.

The North Star: Polaris. Constellation: Ursa Minor; Star Type: F-Class Supergiant; Mass: 4.5 times the mass of the Sun; Luminosity: 2,500 times brighter than the Sun; Diameter: 70 million …

2024年6月5日 · The North Star, also known as Polaris, appears to stay fixed in our northern sky. It marks the location of the sky’s north pole, or the north celestial pole , the point around which …

2022年1月24日 · Polaris or the North Star is a star that appears almost directly above the Earth's rotational axis. As the Earth turns, every other star seems to spin around the axis, tracing out a …

2025年3月16日 · The Big Dipper and the W-shaped constellation Cassiopeia circle around Polaris, the North Star, in a period of 23 hours and 56 minutes. The Dipper is circumpolar at …

2006年1月3日 · The North Star, or Polaris, is the brightest star in the constellation Ursa Minor, the little bear (also known as the Little Dipper). As viewed by observers in the Northern …

2024年9月27日 · Polaris, Alpha Ursae Minoris (α UMi), is a yellow supergiant located approximately 446 light-years away in the constellation Ursa Minor. It is the current North Star, …

It's easy to find Polaris, the North Star, in the night sky, using the Plough asterism as a guide to help you locate it.