Dying, nearby dwarf star is 12 time hotter than our sun

Dying, nearby dwarf star is 12 time hotter than our sun

[CLICK ON IMAGE FOR HIGH RESOLUTION, Adam Block, Mt. Lemmon SkyCenter, Univ. Arizona] The gorgeous, gaseous shroud of a dying sun-like star, planetary nebula Abell 36 lies a mere 800 light-years away in the constellation of Virgo. Shrugging off its outer layers, the nebula’s central star is contracting and becoming hotter, evolving towards a final […]

Cluster of 10 million stars: Part of Milky Way or its own galaxy?

Cluster of 10 million stars: Part of Milky Way or its own galaxy?

[FOR HIGH RESOLUTION CLICK ON IMAGE,CEDIC Team, Processing – Christoph Kaltseis] Globular star cluster Omega Centauri, also known as NGC 5139, is some 15,000 light-years away. The cluster is packed with about 10 million stars much older than the Sun within a volume about 150 light-years in diameter, the largest and brightest of 200 or […]

Interstellar dust clouds make the dark skies blue

Interstellar dust clouds make the dark skies blue

[CLICK ON IMAGE FOR HIGH RESOLUTION.] This lovely blue cosmic cloud begins the van den Bergh Catalog (vdB) of stars surrounded by reflection nebulae. Interstellar dust clouds reflecting the light of the nearby stars, the nebulae usually appear blue because scattering by the dust grains is more effective at shorter (bluer) wavelengths. The same type […]