Current Affairs

GK MCQs Section
Q. What is "Caldwell 45", recently highlighted by NASA?
Answer: Spiral galaxy
Notes: NASA's Hubble Space Telescope shared a video of the spiral galaxy Caldwell 45 (NGC 5248). Spiral galaxies are collections of stars and gas, featuring spiral arms extending from their center. These galaxies contain young, hot stars and are known for their beautiful shapes. Around 60% of discovered galaxies are spiral, including the Milky Way. Spiral galaxies have a central bulge surrounded by a flat, rotating disk of stars. They are distinct from elliptical and irregular galaxies.
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