Photosynthetically Active Radiation


Photosynthetically Active Radiation (PAR) refers to the spectral range of solar radiation from 400 to 700 nanometers that is used by plants for photosynthesis. PAR is an important parameter in designing and operating plant growth facilities in space, as it directly affects plant growth and productivity. PAR can be measured using specialized sensors, such as quantum sensors, which provide accurate measurements of the amount of PAR available for photosynthesis. In space, PAR can be manipulated using artificial lighting systems, such as light-emitting diodes (LEDs), to provide optimal growing conditions for plants. Understanding and controlling PAR is crucial for sustainable food production in space and for future long-duration space missions.


Your Previous Searches
Random Picks

  • Small Thrusters: Small thrusters are propulsion systems that generate small amounts of thrust, typically in the range of millinewtons to a few newtons, and are used for attitude control, station keeping, and trajectory correction of spacecraft. They are als ... Read More >>
  • Elemental Composition: Elemental composition refers to the relative abundance of different chemical elements in a given material or environment. In the context of space and astronautical engineering, elemental composition is an important consideration for underst ... Read More >>
  • Gravitational Pull: Gravitational pull is the force of attraction between two objects due to their masses. In space and astronautical engineering, gravitational pull plays a crucial role in determining the trajectory of spacecraft and celestial bodies. The gra ... Read More >>
Top News

Orionids meteor shower is this weekend: Where and when to watch its peak...

Orionids meteor shower is this weekend: Where and when to watch its peakgo.com...

News Source: ABC News on 2024-10-18

Acting or hosting, Travis Kelce wants to continue to pursue a showbiz career. Bu...

Travis Kelce is the host of “Are You Smarter Than a Celebrity?”...

News Source: ABC News on 2024-10-09

Now is a great time to see Saturn in all its ringed glory...

My first sight of Saturn through a telescope inspired my love of space. Dig out your telescopes or visit your local astronomy club, and you may be lucky enough to spot our sixth planet's stunning thic...

News Source: New Scientist on 2024-10-09

Was Bruce Willis right? Could a nuclear blast save us from killer asteroid?...

Scientists simulated a nuclear explosion using x-ray pulses to push an asteroid-like rock away in space-like conditions....

News Source: Al Jazeera English on 2024-10-04

China's answer to SpaceX's Starlink is also threatening astronomy...

The first 18 satellites of a planned Chinese mega constellation are brighter than all but 500 stars in the sky, raising fears of a huge impact on astronomy...

News Source: New Scientist on 2024-10-03