Penumbra (disambiguation)

The penumbra is the part of a shadow where the light source is only partially blocked.

Penumbra may also refer to:

Entertainment

• Penumbra (band), a French gothic metal band
• "Penumbra", a song by John Ireland
• "Penumbra", a song by Tortoise
• "Penumbra" (Star Trek: Deep Space Nine), a 1999 episode of Star Trek: Deep Space Nine
• Penumbra (TV series), Mexican telenovela
• Penumbra (World of Darkness), a region in the World of Darkness line of role-playing games
• Penumbra, a series of video games by Frictional Games consisting of:
  • Penumbra: Overture
  • Penumbra: Black Plague
  • Penumbra: Requiem

Companies

• Penumbra Theatre Company, an African American theatre in Saint Paul, Minnesota
• Penumbra (medical company), in Alameda, California

Other uses

• Penumbra (law), a metaphor for rights implied in the United States Constitution
• Penumbra (medicine), surviving tissue at the margin of an ischemic event (such as a stroke) which is in danger of hypoxia and subsequent cell death
• Penumbra (Sun), the ring-shaped semi-bright region of a sunspot that surrounds the darker umbra
• Penumbral lunar eclipse, an eclipse that occurs when the Moon passes through the Earth's penumbra
• Billbergia 'Penumbra', a hybrid cultivar of the genus Billbergia in the Bromeliad family

See also

• Umbra (disambiguation)