Umbra Introduction to Lunar Eclipse, Transit & Occultation Made by Fabeha Adnan & Shayan Anwar Penumbra Umbra Lunar Eclipse The Earth blocks sunlight, causing the Moon to pass through Earth's shadows. Transit A small body crosses in front of and partially obscures a larger body. Occultation: A nearer object passes in front of and completely blocks a distant object.
Sun Earth Moon (Eclipsed) Penumbra (partial shadow) Umbra (full shadow) Penumbra (partial shadow) Moon's Orbit.
1. Umbra: This is the dark, central part of the shadow cone. If the Moon passes completely within this region, we experience a Total Eclipse. 2. The Penumbra: This is the outer, lighter shadow where the Sun is only partially obscured..
Penumbra M2 Partial Eclipse Umbra M3 Total Eclipse Umbra.
P: Equatiorial Horizontal Parallax of Sun Pl Equatiorial Horizontal Parallax of Moon S; Angular Radius (Semi-Diameter) of Sun Sl Angular Radius (Semi-Diameter) of Moon.
e-aqwnued e-aqwn.
e-aqwnued e-aqwn. Overlay condition; ECLIPSE < sz TOTAL ECLIPSE CONDITION; < + sz.
Occultation: A nearer object passes in front of and completely blocks a distant object..
Transit: A small body crosses in front of and partially obscures a larger body..