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NASA APOD featured NGC 253, a dusty spiral galaxy often described as a starburst galaxy because of its high rate of star formation.
Starburst galaxies are useful laboratories for studying how gas, dust, gravity and stellar feedback drive bursts of new stars.
The technology angle is deep imaging: long exposures and careful processing reveal dust lanes, star-forming regions and faint outer structure that are difficult to see in casual images.
Why It Matters
Nearby starburst galaxies help astronomers study the physical conditions that accelerate star formation.
What to Watch
Watch multiwavelength studies combining optical, infrared, radio and X-ray views of NGC 253.
Primary Sources
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