(Santa Barbara, Calif.) - For the first time, a team of international researchers has found a way to view the accretion disks surrounding black holes and verify that their true electromagnetic spectra ...

Colored filters enhance lunar details by improving contrast and reducing glare. Different colored filters highlight various features; yellow and blue filters are particularly useful. Neutral-density ...

Techniques for mitigating the effects of moonlight on lunar observation include using neutral density or polarizing filters, high magnification, or aperture masks to reduce light intensity. Utilizing ...