Back to Glossary

Canes Venatici

Canes Venatici is a small northern constellation introduced by Johannes Hevelius in the 17th century, representing the hunting dogs of Boötes.

Source: science.nasa.gov

APODs including "Canes Venatici"

M106 Across the Spectrum

05/07/2014

M106 Across the Spectrum
Image Credit: NASA Astronomy Picture of the Day

The spiral arms of bright, active galaxy M106 sprawl through this remarkable multiwavelength portrait, composed of image data from radio to X-rays, across the electromagnetic spectrum. Also known as NGC 4258, M106 can be found toward the northern constellation Canes Venatici. The well-measured distance to M106 is 23.5 million light-years, making this cosmic scene about 60,000 light-years across. Typical in grand spiral galaxies, dark dust lanes, youthful star clusters, and star forming regions trace spiral arms that converge on a bright nucleus. But this composite highlights two anomalous arms in radio (purple) and X-ray (blue) that seem to arise in the central region of M106, evidence of energetic jets of material blasting into the galaxy's disk. The jets are likely powered by matter falling into a massive central black hole.