Black Hole silhouetted against the Milky Way Spring 2019 ASTR 2030 Homepage

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Sirius B, the white dwarf companion of Sirius A

Optical
Visible image of Sirius A and B 		X-ray
X-ray image of Sirius A and B
Motion of Sirius A and B across the sky since 1900
White dwarfs in the globular cluster NGC 6397
 Black Hole silhouetted against the Milky Way Spring 2019 ASTR 2030 Homepage

syllabus | timetable | projects | homework | clicker questions | weekly summaries | classroom capture | books, movies | images

Updated 2019 Jan 10