Astronomers are still trying to understand how a galaxy's spiral arms form
The Whirlpool galaxy (M51) is a classic grand spiral galaxy. It was the first object identified as a spiral, way back in 1845. At the time, it and other galaxies were considered spiral nebulae, since astronomers didn't know other galaxies existed. Edwin Hubble finally proved that
The Whirlpool galaxy (M51) is a classic grand spiral galaxy. It was the first object identified as a spiral, way back in 1845. At the time, it and other galaxies were considered spiral nebulae, since astronomers didn't know other galaxies existed. Edwin Hubble finally proved that This story matters for Science & Discovery readers tracking student. Reported by phys.org. Read the full original at the source link below.
Originally reported by phys.org. StudentNewsletter curates and briefs the science & discovery stories that matter. Our editorial policy →