Reflect and Discuss

Checkpoint
Open cluster NGC 6520
The bright young stars of the open cluster NGC 6520 stand out in contrast to the background of older stars of the bulge of our Galaxy. Credit: Gemini Observatory and T.A. Rector (University of Alaska Anchorage)
Wavelength Ranges of Visible Light
Comparison of visible color wavelength ranges with Rubin Observatory filters (nm = nanometers)