Spacecraft shield to reduce starlight and irradiation
A space sunshade or sunshield is a parasol that diverts or otherwise reduces some of the Sun's radiation, preventing it from hitting a spacecraft or planet and thereby reducing its insolation, which results in reduced heating. Light can be diverted by different methods. The concept of the construction of sunshade as a method of climate engineering dates back to the years 1923, 1929, 1957 and 1978 by the physicist Hermann Oberth.[1][2][3][4] Space mirrors in orbit around the Earth with a diameter of 100 to 300 km, as designed by Hermann Oberth, are intended to focus sunlight on individual regions of the Earth’s surface or deflect it into space so that the solar radiation is weakened in a specifically controlled manner for individual regions on the Earth’s surface.
First proposed in 1989, another space sunshade concept involves putting a large occulting disc, or technology of equivalent purpose, between the Earth and Sun.
A sunshade is of particular interest as a climate engineering method for mitigating global warming through solar radiation management. Heightened interest in such projects reflects the concern that internationally negotiated reductions in carbon emissions may be insufficient to stem climate change.[5][6] Sunshades could also be used to produce space solar power, acting as solar power satellites. Proposed shade designs include a single-piece shade and a shade made by a great number of small objects. Most such proposals contemplate a blocking element at the Sun-Earth L1 Lagrangian point.
Modern proposals are based on some form of distributed sunshade composed of lightweight transparent elements or inflatable "space bubbles" manufactured in space to reduce the cost of launching massive objects to space.[7][8]
^Oberth, Hermann (1984) [1923]. Die Rakete zu den Planetenräumen (in German). Michaels-Verlag Germany. pp. 87–88.
^Oberth, Hermann (1970) [1929]. ways to spaceflight. NASA. pp. 481–506. Retrieved 21 December 2017 – via archiv.org.
^Oberth, Hermann (1957). Menschen im Weltraum (in German). Econ Duesseldorf Germany. pp. 125–182.
^Oberth, Hermann (1978). Der Weltraumspiegel (in German). Kriterion Bucharest.
^Hickman, John (2018). "The Political Economy of a Planetary Sunshade". Astropolitics. 16 (1): 49–58. Bibcode:2018AstPo..16...49H. doi:10.1080/14777622.2018.1436360. S2CID 148608737.
^Gorvett, Zaria (26 April 2016). "How a giant space umbrella could stop global warming". BBC. Archived from the original on 20 December 2016. Retrieved 7 December 2016.
^Borgue, Olivia; Hein, Andreas M. (2022). "Transparent occulters: A nearly zero-radiation pressure sunshade to support climate change mitigation". Acta Astronautica. 203 (in press): 308–318. doi:10.1016/j.actaastro.2022.12.006. S2CID 254479656.
^"Space Bubbles Could Be the Wild Idea We Need to Deflect Solar Radiation". Popular Mechanics. 7 July 2022. Retrieved 23 May 2023.
A spacesunshade or sunshield is a parasol that diverts or otherwise reduces some of the Sun's radiation, preventing it from hitting a spacecraft or planet...
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or deflect solar radiation from space, before it even reaches the atmosphere, commonly described as a spacesunshade. The most straightforward is to have...
mission concept proposed by NOAA's Patricia Mulligan. Dyson bubble Spacesunshade Solar mirror List of hypothetical technologies US patent 5183225, Robert...
James Webb Space Telescope. Environmental control and life-support system Spacesunshade Temperature control "Radiators". International Space Station. NASA...
help of Eccleston's supercomputer AI MENTOR, successfully creates a spacesunshade to keep the Earth from global warming; he and Bruce Baldwin celebrate...
Of Sciences". SpaceX. 28 April 2020. Archived from the original on 17 November 2020. Retrieved 15 July 2020. "SpaceX to add sunshades to all future Starlink...
radiation. Terraforming Colonization of Venus Terraforming of Mars Spacesunshade Adelman, Saul (1982). "Can Venus Be Transformed into an Earth-Like Planet...
temperature fluctuations with insulation. Some spacecraft use mirrors and sunshades for additional protection from solar heating. They also often need shielding...
Morring, Frank Jr. (16 December 2013). "JWST Sunshade Folding, Deployment In Test". Aviation Week & Space Technology. pp. 48–49. ISSN 0005-2175. Archived...
geoengineering techniques which do not have natural analogs (e.g., spacesunshade). Technological feasibility: In contrast to other proposed solar geoengineering...
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resemble trucks, in Operation Bertram Sunshield meaning a Spacesunshade James Webb Space Telescope sunshield This disambiguation page lists articles...
transport with a "sling-on-a-ring" system, space-based solar power and climate change mitigation with a spacesunshade. The "sling-on-a-ring" would involve...
billion. His plan has been commented on in a variety of forums. A similar spacesunshade was proposed in 1989 by J. T. Early, and again in 1997 by Edward Teller...
Observatory – European space observatory Solar Sentinels – A 2006 concept for a series of missions to the Sun Spacesunshade – Spacecraft shield to reduce...
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electroforming is the preferred method of fabricating cold shields. Spacesunshade Cold radiation shields for IR detector arrays, N. Sclar, Infrared Physics...
block out the light from a star so that nearby objects can be resolved Spacesunshade CU Proposal To Image Distant Planets Is Funded For Second Round Of Study...
one designed to fly in formation with a space telescope to image exoplanets. New Worlds Mission Spacesunshade Telescope for Habitable Exoplanets and...
with a swivel faceplate (closed by a mechanical seal) and incorporating a sunshade. Like the older G3C suit, the "Configuration One" suit will be made up...
for a travel agency until 2014 and then as a marketing manager for a spacesunshade manufacturing company based in Gullegem until her election to the Flemish...
adjustable window coverings, exterior sunshades, interior light shelves, or dimmable "Smart glass". For those learning spaces that don't have access to adequate...
a collapsible parasol through the small scientific airlock to act as a sunshade. (This approach was suggested and designed by NASA's "Mr. Fix It" Jack...
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