Temporary suspension of EU shipping, view details here.

X-rays from Sirius B, 6 October 2000.


X-rays from Sirius B, 6 October 2000.
3 3 c m
actual image size: 32cm x 25cm


X-ray image from the Chandra Observatory showing Sirius B, a small companion star to Sirius A (Alpha Canis Majoris) the brightest star in the sky. Sirius B, although hotter, is much smaller and dimmer, and was not sighted until 1862. Sirius A and B are part of a a binary star system eight light-years away from Earth. Sirius B is the closest known white dwarf star; its surface temperature is 25,000 kelvins, its mass is the same as that of the Sun, and its radius is slightly less than taht that of the Earth's.

Image Details

Image Ref.

© Science Museum / Science & Society Picture Library

buy a print

Select size
Select finish
How many prints?

buy a framed print

buy a canvas

buy a framed canvas