Star Types Chart – Stellar Classification Poster, Astronomy Wall Art
Star Types Chart – Stellar Classification Poster, Astronomy Wall Art
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Why are some stars blue and others red? This star types chart explains it. Astronomers sort stars into the seven spectral classes O, B, A, F, G, K and M, from the hottest blue stars to the coolest red ones, and the poster shows each class with its colour, its surface temperature and a famous example you can look up in the night sky.
Examples include Alnitak, Rigel, Sirius, Procyon, our own Sun (a class G star at 5,772 K), Arcturus and Betelgeuse. A "Good to know" panel adds the brightest star in the night sky (Sirius), the nearest star after the Sun (Proxima Centauri, 4.25 light-years away) and the length of a light-year.
• Classes O B A F G K M with colour, surface temperature and an example star
• Four colours: Original Navy and Gold, Nebula, Aurora and Mars, with a starfield backdrop
• Printed poster in A and US inch sizes, or a digital file to print yourself
A smart, good-looking science print for home offices, bedrooms and classrooms. Temperatures are surface values in kelvin and are rounded.
