Hubble captures a brief but beautiful phase late in the life of a star. The curious cloud around this bright star is called IRAS 19475+3119. It lies in the constellation of Cygnus (the Swan) about 15 000 light-years from Earth in the plane of our Milky Way galaxy. As stars similar to the Sun age they swell into red giant stars and when this phase ends they start to shed their atmospheres into space. The cloud shines by reflecting the brilliant light of the central star
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Read More “Liminal Moment – Bobbette Rose – Encaustic Monotype on Paper. These are paintings done directly on a heated plate with pigmented wax. Paper is laid on top and the image is offset onto the paper, similar to a typical monotype but no press. She does sveral thin layers, each time laying the paper …
This image of the Stingray nebula, a planetary nebula 2700 light-years from Earth, was taken with the Wide Field and Planetary Camera 2 (WFPC2) in 1998. In the centre of the nebula the fast evolving star SAO 244567 is located. Observations made within the last 45 years showed that the surface temperature of the star increased by almost 40 000 degree Celsius. Now new observations of the spectra of the star have revealed that SAO 244567 has started to cool again.