New Delhi, Sept. 7 -- On Sunday night, the skies over India will stage a celestial performance as a total lunar eclipse unfolds, visible in its entirety across the country.

Astronomers are urging people to step outside and enjoy the view, stressing there are no mythical "Rahu-Ketu" demons at play - only science and nature.

Though each eclipse is visible only from one half of the Earth, this one will be seen across India.

The process begins as the Moon moves into Earth's faint penumbral shadow before entering the darker umbra.

As the shadow deepens, the Moon appears to dim, progressing into a partial eclipse.

Once it is fully engulfed in the umbra, the lunar disc glows crimson - the striking stage of totality.

Known as Rayleigh scatt...