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Company · Lanham · United States

Sigma Space (United States)

In research, Sigma Space (United States) stands highest in Physical Sciences (#7,032 of 17,446 worldwide), over all time.

sigmaspace.comROR OpenAlex
World rank, all time
#24,944
of 34,923
Rank in United States
#5,195
of 7,310
Research works
250
▼ 76% vs 2018-21
Citations
6.1k
24.6 per fractional work
Top-10% rate
13.8%
all institutions 10.0%
vs its own fields
1.24×
1.00× is exactly expected
Open access
32%
world 40%
International
9%
world 18%
Sigma Space (United States)

What is Sigma Space (United States) known for in research?

The fields where it stands highest, over all time, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorks
Physical SciencesDomain #7,032 of 17,446 12.1%237

Each strip is that field's whole ranked pool, with the notch where Sigma Space (United States) sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no average mark, because the average differs by field (from about 6% in Dentistry to 21% in Economics).

Which fields of science does Sigma Space (United States) work in?

In all years, 95% of research at Sigma Space (United States) is in Physical Sciences, 3% in Social Sciences. Its largest fields are Engineering (34%), Physics and Astronomy (21%), Earth and Planetary Sciences (18%). It does 2.3× the world's share of Physical Sciences.

Physical Sciences: 236 fractional works · 94.6% of its workEngineering: 85 fractional works · 34.2% of its workAerospace Engineering: 56 fractional works · 22.5% of its workElectrical and Electronic Engineering: 14 fractional works · 5.8% of its workComputational Mechanics: 3 fractional works · 1.4% of its workBiomedical Engineering: 3 fractional works · 1.3% of its workOcean Engineering: 3 fractional works · 1.2% of its workMechanical Engineering: 2 fractional works · 0.7% of its workSafety, Risk, Reliability and Quality: 1 fractional works · 0.4% of its workCivil and Structural Engineering: 1 fractional works · 0.3% of its workMedia Technology: 1 fractional works · 0.2% of its workControl and Systems Engineering: 0 fractional works · 0.2% of its workPhysics and Astronomy: 52 fractional works · 20.7% of its workAstronomy and Astrophysics: 24 fractional works · 9.5% of its workAtomic and Molecular Physics, and Optics: 13 fractional works · 5.3% of its workInstrumentation: 12 fractional works · 4.7% of its workNuclear and High Energy Physics: 1 fractional works · 0.4% of its workCondensed Matter Physics: 1 fractional works · 0.3% of its workRadiation: 1 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workEarth and Planetary Sciences: 44 fractional works · 17.7% of its workAtmospheric Science: 40 fractional works · 15.9% of its workOceanography: 3 fractional works · 1.3% of its workGeology: 1 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.3% of its workEnvironmental Science: 40 fractional works · 16.1% of its workGlobal and Planetary Change: 26 fractional works · 10.3% of its workEnvironmental Engineering: 8 fractional works · 3.1% of its workEcology: 4 fractional works · 1.8% of its workNature and Landscape Conservation: 1 fractional works · 0.3% of its workEcological Modeling: 1 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.3% of its workChemistry: 7 fractional works · 2.9% of its workSpectroscopy: 7 fractional works · 2.7% of its workSmaller subfields together: 0 fractional works · 0.2% of its workComputer Science: 5 fractional works · 2.2% of its workComputer Vision and Pattern Recognition: 2 fractional works · 0.8% of its workArtificial Intelligence: 2 fractional works · 0.8% of its workInformation Systems: 1 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.3% of its workEnergy: 1 fractional works · 0.4% of its workRenewable Energy, Sustainability and the Environment: 1 fractional works · 0.4% of its workMathematics: 1 fractional works · 0.2% of its workApplied Mathematics: 1 fractional works · 0.2% of its workChemical Engineering: 0 fractional works · 0.1% of its workMaterials Science: 0 fractional works · 0.1% of its workSocial Sciences: 8 fractional works · 3.2% of its workSocial Sciences: 3 fractional works · 1.4% of its workGeography, Planning and Development: 2 fractional works · 0.8% of its workPolitical Science and International Relations: 1 fractional works · 0.4% of its workSmaller subfields together: 1 fractional works · 0.3% of its workDecision Sciences: 2 fractional works · 0.8% of its workInformation Systems and Management: 1 fractional works · 0.3% of its workManagement Science and Operations Research: 1 fractional works · 0.3% of its workStatistics, Probability and Uncertainty: 1 fractional works · 0.2% of its workBusiness, Management and Accounting: 1 fractional works · 0.5% of its workManagement Information Systems: 1 fractional works · 0.5% of its workEconomics, Econometrics and Finance: 1 fractional works · 0.4% of its workEconomics and Econometrics: 1 fractional works · 0.4% of its workPsychology: 1 fractional works · 0.2% of its workHealth Sciences: 4 fractional works · 1.5% of its workMedicine: 4 fractional works · 1.4% of its workOphthalmology: 2 fractional works · 0.9% of its workPulmonary and Respiratory Medicine: 1 fractional works · 0.3% of its workPhysiology: 1 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.0% of its workHealth Professions: 0 fractional works · 0.0% of its workLife Sciences: 2 fractional works · 0.7% of its workAgricultural and Biological Sciences: 1 fractional works · 0.4% of its workBiochemistry, Genetics and Molecular Biology: 1 fractional works · 0.3% of its workALL ITS WORKSigma Space(United States)250fractional works, all years
Life Sciences1%Physical Sciences95%Health Sciences1%Social Sciences3%

Each ring splits the one inside it: the four domains of science, their fields, their subfields. Size is fractional works in all years. Every slice is a page; the interactive view zooms down to single topics and colours each by how much more of it this institution does than the world.

Its 4 domains and 19 fields, with their numbers
    1. Engineering8534.2%
    2. Physics and Astronomy5220.7%
    3. Earth and Planetary Sciences4417.7%
    4. Environmental Science4016.1%
    5. Chemistry72.9%
    6. Computer Science52.2%
    7. Energy10.4%
    8. Mathematics10.2%
    9. Chemical Engineering00.1%
    10. Materials Science00.1%
    1. Social Sciences31.4%
    2. Decision Sciences20.8%
    3. Business, Management and Accounting10.5%
    4. Economics, Econometrics and Finance10.4%
    5. Psychology10.2%
    1. Medicine41.4%
    2. Health Professions00.0%
    1. Agricultural and Biological Sciences10.4%
    2. Biochemistry, Genetics and Molecular Biology10.3%
All of science, and how each field's share has moved since 1950: the Science domain explorer

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Chemistry: 0.93× its world share, 0 worksChemistryEngineering: 1.95× its world share, 1 worksEngineeringEnvironmental Science: 0.18× its world share, 0 worksEnvironmental ScienceMaterials Science: 0.21× its world share, 0 worksMaterials SciencePhysics and Astronomy: 22.99× its world share, 2 worksPhysics and AstronomySocial Sciences: 1.30× its world share, 1 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Physics and Astronomy, 23.0×. Every wedge is a field page.

All 6 fields, with their numbers
  1. Physics and Astronomy22.99×2 works
  2. Engineering1.95×1 works
  3. Social Sciences1.30×1 works
  4. Chemistry0.93×0 works
  5. Materials Science0.21×0 works
  6. Environmental Science0.18×0 works

Who are the top researchers at Sigma Space (United States)?

Ranked on the quality score, Joseph Hayden and Adam Voiland lead among researchers whose main affiliation is Sigma Space (United States).

  1. 1 Joseph Hayden United States · #5,137,382 worldwide 19 citations · 15 works
  2. 2 Adam Voiland United States · #5,623,686 worldwide 17 citations · 39 works
All ranked researchers at Sigma Space (United States)

What are the most cited papers from Sigma Space (United States)?

The most cited paper from Sigma Space (United States) is "Global temperature change" (James E. Hansen, Makiko Sato, Reto A. Ruedy et al., 2006), with 2,144 citations. Next come "The Ice, Cloud, and Land Elevation Satellite – 2 mission: A global geolocated photon product derived from the Advanced Topographic Laser Altimeter System" (760) and "Multiangle Imaging SpectroRadiometer global aerosol product assessment by comparison with the Aerosol Robotic Network" (628).

Most cited papers
#PaperReleasedCitations
1 Global temperature change James E. Hansen, Makiko Sato, Reto A. Ruedy et al. · Proceedings of the National Academy of Sciences 25 Sep 2006 2,144
2 The Ice, Cloud, and Land Elevation Satellite – 2 mission: A global geolocated photon product derived from the Advanced Topographic Laser Altimeter System T. Neumann et al. · Remote Sensing of Environment Open access 9 Sep 2019 760
3 Multiangle Imaging SpectroRadiometer global aerosol product assessment by comparison with the Aerosol Robotic Network Ralph A. Kahn, Barbara J. Gaitley, M. J. Garay et al. · Journal of Geophysical Research Atmospheres Open access 7 Dec 2010 628
4 First observations of global and seasonal terrestrial chlorophyll fluorescence from space Joanna Joiner, Y. Yoshida, Alexander P. Vasilkov et al. · Biogeosciences Open access 8 Mar 2011 623
5 A new lunar digital elevation model from the Lunar Orbiter Laser Altimeter and SELENE Terrain Camera M. K. Barker, E. Mazarico, Gregory A. Neumann et al. · Icarus Open access 8 Aug 2015 575
All 60 most cited papers, with filters and sorting

Which keywords describe research at Sigma Space (United States)?

By fractional works in all years, weighted toward what it does more of than the world: On-Orbit Performance, Radiometric Calibration, Remote Sensing, Ozone Depletion, Stratospheric Water Vapor, Satellite Observations, Water Quality and Shale Gas.

▲ more of its work than of the world's◆ about the world's share▼ less than the world's

Size is fractional works in all years in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. On-Orbit Performance29▲ 524×1 topic
  2. Radiometric Calibration29▲ 524×1 topic
  3. Remote Sensing27▲ 9.8×21 topics
  4. Ozone Depletion24▲ 166×1 topic
  5. Stratospheric Water Vapor24▲ 166×1 topic
  6. Satellite Observations22▲ 75×3 topics
  7. Climate Change18▲ 2.7×32 topics
  8. Water Quality14▲ 14×3 topics
  9. Shale Gas14▲ 43×2 topics
  10. Emissions14▲ 29×1 topic
  11. Methane14▲ 97×1 topic
  12. Detection14▲ 19×2 topics
  13. Air Quality13▲ 29×2 topics
  14. Sparse Representation13▲ 29×2 topics
  15. Infrared13▲ 177×1 topic
  16. Small Target13▲ 177×1 topic
  17. Adaptive Optics10▲ 203×1 topic
  18. Wavefront Sensing10▲ 203×1 topic
  19. Climate10▲ 55×2 topics
  20. Photon Counting10▲ 52×3 topics
  21. Biomass Estimation10▲ 34×3 topics
  22. Hydrological Cycle8▲ 32×2 topics
  23. Aerosols7▲ 48×1 topic
  24. Atmospheric Dust7▲ 87×1 topic
  25. Gas Sensing7▲ 34×2 topics
  26. Spectroscopic Databases7▲ 47×1 topic
  27. Terahertz Quantum-Cascade Lasers7▲ 47×1 topic
  28. Terrestrial Laser Scanning7▲ 33×2 topics
  29. Laser Ranging7▲ 126×1 topic
  30. Time-of-Flight7▲ 40×1 topic
  31. Aboveground Biomass6▲ 36×2 topics
  32. Mars6▲ 54×1 topic
  33. Martian Surface6▲ 54×1 topic
  34. Atmospheric Aerosols6▲ 36×1 topic
  35. Black Carbon6▲ 36×1 topic
  36. Forest Carbon Stocks6▲ 60×1 topic
  37. Lidar Remote Sensing6▲ 60×1 topic
  38. Sea Level Rise6▲ 18×3 topics
  39. Exoplanets5▲ 29×1 topic
  40. Hydrology5▲ 18×3 topics

Which research topics does Sigma Space (United States) publish most on?

By volume in 2022-now: Superconducting and THz Device Technology, Cybersecurity and Cyber Warfare Studies, Space exploration and regulation and Military and Defense Studies.

Superconducting and THz …1Superconducting and THz Device Technology: 1 fractional worksCybersecurity and Cyber Warfare Studies: 0 fractional worksSpace exploration and regulation: 0 fractional worksMilitary and Defense Studies: 0 fractional worksParticle Detector Development and Performance: 0 fractional worksCalibration and Measurement Techniques: 0 fractional worksStellar, planetary, and …0Stellar, planetary, and galactic studies: 0 fractional worksPlanetary Science and Exploration: 0 fractional worksSpace Satellite Systems and Control: 0 fractional worksAstro and Planetary Science: 0 fractional works
Astronomy and AstrophysicsPolitical Science and International RelationsNuclear and High Energy PhysicsAerospace Engineering

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Superconducting and THz Device Technology Astronomy and Astrophysics 1 works
  2. 2 Cybersecurity and Cyber Warfare Studies Political Science and International Relations 0 works
  3. 3 Space exploration and regulation Astronomy and Astrophysics 0 works
  4. 4 Military and Defense Studies Political Science and International Relations 0 works
  5. 5 Particle Detector Development and Performance Nuclear and High Energy Physics 0 works
  6. 6 Calibration and Measurement Techniques Aerospace Engineering 0 works
  7. 7 Stellar, planetary, and galactic studies Astronomy and Astrophysics 0 works
  8. 8 Planetary Science and Exploration Astronomy and Astrophysics 0 works
  9. 9 Space Satellite Systems and Control Aerospace Engineering 0 works
  10. 10 Astro and Planetary Science Astronomy and Astrophysics 0 works

How open and international is its research?

Against the world's own shares: the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available31.5%not open68.5%

World: 40% of research is openly available.

with international co-authors8.6%domestic only91.4%

World: 18% is written across borders.

How has Sigma Space (United States)'s research output changed?

Output in 2022-2025 was 76% lower than in 2018-2021.

still counting200020052010201520202025
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Sigma Space (United States) as a percentage of every work published that year, 0.0000089% in 2024.

still counting0.00050%0.0010%0.0015%Sigma Space (United States)0.000028% in 2025200020102020

Fractional works of Sigma Space (United States) over all fractional works that year. How the balance of science has shifted.

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Sigma Space (United States) on Science Explorer

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