GRACE and GRACE-FO (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "GRACE and GRACE-FO" in English language version.

refsWebsite

Global rank English rank

32nasa.gov

75^th place

83^rd place

12doi.org

2^nd place

11harvard.edu

18^th place

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8web.archive.org

1^st place

5semanticscholar.org

11^th place

8^th place

2skyrocket.de

4,664^th place

3,842^nd place

2space-track.org

low place

2handle.net

102^nd place

76^th place

2nih.gov

4^th place

2utexas.edu

916^th place

706^th place

2esa.int

1,482^nd place

1,468^th place

2gfz-potsdam.de

low place

1bbc.com

20^th place

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1escholarship.org

1,523^rd place

976^th place

1caltech.edu

887^th place

714^th place

1nytimes.com

7^th place

1osu.edu

2,333^rd place

1,632^nd place

1ohiolink.edu

8,366^th place

5,247^th place

1unipi.it

low place

1eoportal.org

low place

1heavens-above.com

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1space.com

936^th place

713^th place

1space-airbusds.com

low place

1physicsworld.com

6,140^th place

4,691^st place

bbc.com (Global: 20^th place; English: 30^th place)

Amos, Jonathan (7 June 2019). "Antarctic glaciers to honour 'satellite heroes'". BBC News. Retrieved 29 September 2019.

caltech.edu (Global: 887^th place; English: 714^th place)

authors.library.caltech.edu

Tapley, Byron D.; Bettadpur, Srinivas; Ries, John C.; Thompson, Paul F.; Watkins, Michael M. (2004). "GRACE Measurements of Mass Variability in the Earth System" (PDF). Science. 305 (5683): 503–505. Bibcode:2004Sci...305..503T. doi:10.1126/science.1099192. PMID 15273390. S2CID 7357519.

doi.org (Global: 2^nd place; English: 2^nd place)

Watkins, Michael M.; et al. (April 2015). "Improved methods for observing Earth's time variable mass distribution with GRACE using spherical cap mascons". Journal of Geophysical Research: Solid Earth. 120 (4): 2648–2671. Bibcode:2015JGRB..120.2648W. doi:10.1002/2014JB011547.
Velicogna, Isabella; Sutterly, T.C.; van den Broeke, M.R. (2014). "Regional acceleration in ice mass loss from Greenland and Antarctica using GRACE time-variable gravity data". J. Geophys. Res. Space Phys. 41 (119): 8130–8137. Bibcode:2014GeoRL..41.8130V. doi:10.1002/2014GL061052. hdl:1874/308354. S2CID 53062626.
Marti, Florence; Blazquez, Alejandro; Meyssignac, Benoit; Ablain, Michaël; Barnoud, Anne; et al. (2021). "Monitoring the ocean heat content change and the Earth energy imbalance from space altimetry and space gravimetry". Earth System Science Data. doi:10.5194/essd-2021-220.
Hakuba, M.Z.; Frederikse, T.; Landerer, F.W. (28 August 2021). "Earth's Energy Imbalance From the Ocean Perspective (2005–2019)". Geophysical Research Letters. 48 (16). Bibcode:2021GeoRL..4893624H. doi:10.1029/2021GL093624.
Tiwari, V.M.; Wahr, J.; Swenson, S. (2009). "Dwindling groundwater resources in northern India, from satellite gravity observations". Geophysical Research Letters. 36 (18). L18401. Bibcode:2009GeoRL..3618401T. doi:10.1029/2009GL039401.
Famiglietti, J (2011). "Satellites measure recent rates of groundwater depletion in California's Central Valley" (PDF). Geophys. Res. Lett. 38 (3). L03403. Bibcode:2011GeoRL..38.3403F. doi:10.1029/2010GL046442.
Tapley, Byron D.; Bettadpur, Srinivas; Ries, John C.; Thompson, Paul F.; Watkins, Michael M. (2004). "GRACE Measurements of Mass Variability in the Earth System" (PDF). Science. 305 (5683): 503–505. Bibcode:2004Sci...305..503T. doi:10.1126/science.1099192. PMID 15273390. S2CID 7357519.
Tregoning; Ramillien; McQueen; Zwartz (2009). "Glacial isostatic adjustment and nonstationary signals observed by GRACE". J. Geophys. Res. 114 (B6): B06406. Bibcode:2009JGRB..114.6406T. doi:10.1029/2008JB006161. S2CID 15724840.
Ciufolini, I.; Pavlis, E.C. (2004). "A confirmation of the general relativistic prediction of the Lense–Thirring effect" (PDF). Nature. 431 (7011): 958–960. Bibcode:2004Natur.431..958C. doi:10.1038/nature03007. PMID 15496915. S2CID 4423434. Archived from the original (PDF) on 13 June 2015.
Ciufolini, I.; Pavlis, E.C.; Peron, R. (2006). "Determination of frame-dragging using Earth gravity models from CHAMP and GRACE". New Astron. 11 (8): 527–550. Bibcode:2006NewA...11..527C. doi:10.1016/j.newast.2006.02.001.
Wahr, John; Molenaar, M.; Bryan, F. (1998). "Time variability of the Earth's gravity field: Hydrological and oceanic effects and their possible detection using GRACE". J. Geophys. Res. 103 (B12): 30205–30229. Bibcode:1998JGR...10330205W. doi:10.1029/98JB02844. S2CID 140194666.
Abich, Klaus; et al. (11 May 2015). "GRACE-Follow On Laser Ranging Interferometer: German contribution". Journal of Physics: Conference Series. 610 (1). 012010. Bibcode:2015JPhCS.610a2010A. doi:10.1088/1742-6596/610/1/012010. hdl:21.11116/0000-0003-655A-7.

eoportal.org (Global: low place; English: low place)

directory.eoportal.org

"GRACE-FO". eoPortal. Retrieved 26 May 2019.

esa.int (Global: 1,482^nd place; English: 1,468^th place)

esa.int

"Antarctic Glaciers Named After Satellites". European Space Agency. 7 June 2019. Retrieved 29 September 2019.

earth.esa.int

"GRACE-FO". eoPortal. European Space Agency. Retrieved 7 May 2020.

escholarship.org (Global: 1,523^rd place; English: 976^th place)

Famiglietti, J (2011). "Satellites measure recent rates of groundwater depletion in California's Central Valley" (PDF). Geophys. Res. Lett. 38 (3). L03403. Bibcode:2011GeoRL..38.3403F. doi:10.1029/2010GL046442.

gfz-potsdam.de (Global: low place; English: low place)

gfz-potsdam.de

"GRACE AOD1B". gfz-potsdam.de. GFZ German Research Centre for Geosciences. Retrieved 11 June 2015.

media.gfz-potsdam.de

Webb, Frank; et al. (January–March 2019). "GRACE Follow-On Science Team & Highlights" (PDF). Science Data System Newsletter (2).

handle.net (Global: 102^nd place; English: 76^th place)

hdl.handle.net

Velicogna, Isabella; Sutterly, T.C.; van den Broeke, M.R. (2014). "Regional acceleration in ice mass loss from Greenland and Antarctica using GRACE time-variable gravity data". J. Geophys. Res. Space Phys. 41 (119): 8130–8137. Bibcode:2014GeoRL..41.8130V. doi:10.1002/2014GL061052. hdl:1874/308354. S2CID 53062626.
Abich, Klaus; et al. (11 May 2015). "GRACE-Follow On Laser Ranging Interferometer: German contribution". Journal of Physics: Conference Series. 610 (1). 012010. Bibcode:2015JPhCS.610a2010A. doi:10.1088/1742-6596/610/1/012010. hdl:21.11116/0000-0003-655A-7.

harvard.edu (Global: 18^th place; English: 17^th place)

ui.adsabs.harvard.edu

Watkins, Michael M.; et al. (April 2015). "Improved methods for observing Earth's time variable mass distribution with GRACE using spherical cap mascons". Journal of Geophysical Research: Solid Earth. 120 (4): 2648–2671. Bibcode:2015JGRB..120.2648W. doi:10.1002/2014JB011547.
Velicogna, Isabella; Sutterly, T.C.; van den Broeke, M.R. (2014). "Regional acceleration in ice mass loss from Greenland and Antarctica using GRACE time-variable gravity data". J. Geophys. Res. Space Phys. 41 (119): 8130–8137. Bibcode:2014GeoRL..41.8130V. doi:10.1002/2014GL061052. hdl:1874/308354. S2CID 53062626.
Hakuba, M.Z.; Frederikse, T.; Landerer, F.W. (28 August 2021). "Earth's Energy Imbalance From the Ocean Perspective (2005–2019)". Geophysical Research Letters. 48 (16). Bibcode:2021GeoRL..4893624H. doi:10.1029/2021GL093624.
Tiwari, V.M.; Wahr, J.; Swenson, S. (2009). "Dwindling groundwater resources in northern India, from satellite gravity observations". Geophysical Research Letters. 36 (18). L18401. Bibcode:2009GeoRL..3618401T. doi:10.1029/2009GL039401.
Famiglietti, J (2011). "Satellites measure recent rates of groundwater depletion in California's Central Valley" (PDF). Geophys. Res. Lett. 38 (3). L03403. Bibcode:2011GeoRL..38.3403F. doi:10.1029/2010GL046442.
Tapley, Byron D.; Bettadpur, Srinivas; Ries, John C.; Thompson, Paul F.; Watkins, Michael M. (2004). "GRACE Measurements of Mass Variability in the Earth System" (PDF). Science. 305 (5683): 503–505. Bibcode:2004Sci...305..503T. doi:10.1126/science.1099192. PMID 15273390. S2CID 7357519.
Tregoning; Ramillien; McQueen; Zwartz (2009). "Glacial isostatic adjustment and nonstationary signals observed by GRACE". J. Geophys. Res. 114 (B6): B06406. Bibcode:2009JGRB..114.6406T. doi:10.1029/2008JB006161. S2CID 15724840.
Ciufolini, I.; Pavlis, E.C. (2004). "A confirmation of the general relativistic prediction of the Lense–Thirring effect" (PDF). Nature. 431 (7011): 958–960. Bibcode:2004Natur.431..958C. doi:10.1038/nature03007. PMID 15496915. S2CID 4423434. Archived from the original (PDF) on 13 June 2015.
Ciufolini, I.; Pavlis, E.C.; Peron, R. (2006). "Determination of frame-dragging using Earth gravity models from CHAMP and GRACE". New Astron. 11 (8): 527–550. Bibcode:2006NewA...11..527C. doi:10.1016/j.newast.2006.02.001.
Wahr, John; Molenaar, M.; Bryan, F. (1998). "Time variability of the Earth's gravity field: Hydrological and oceanic effects and their possible detection using GRACE". J. Geophys. Res. 103 (B12): 30205–30229. Bibcode:1998JGR...10330205W. doi:10.1029/98JB02844. S2CID 140194666.
Abich, Klaus; et al. (11 May 2015). "GRACE-Follow On Laser Ranging Interferometer: German contribution". Journal of Physics: Conference Series. 610 (1). 012010. Bibcode:2015JPhCS.610a2010A. doi:10.1088/1742-6596/610/1/012010. hdl:21.11116/0000-0003-655A-7.

heavens-above.com (Global: low place; English: low place)

"GRACE-FO 1 – Orbit". Heavens-Above.com. 29 September 2019. Retrieved 29 September 2019.

nasa.gov (Global: 75^th place; English: 83^rd place)

jpl.nasa.gov

"GRACE Launch: Press Kit" (PDF). NASA. March 2002. Retrieved 11 December 2017.
NASA (27 October 2017). "Prolific Earth Gravity Satellites End Science Mission". Jet Propulsion Laboratory. Retrieved 31 October 2017.
"US, Germany Partnering on Mission to Track Earth's Water Movement". NASA Jet Propulsion Laboratory (JPL). 19 March 2024. Retrieved 21 March 2024.
"Grace Space Twins Set to Team Up to Track Earth's Water and Gravity". NASA/JPL. Archived from the original on 5 June 2011. Retrieved 14 August 2009.
"New Gravity Mission on Track to Map Earth's Shifty Mass". NASA/JPL. Retrieved 1 March 2023.
Sullivant, Rosemary (14 June 2006). "NASA Missions Help Dissect Sea Level Rise". NASA/Jet Propulsion Laboratory. Retrieved 14 March 2018.
"Study: Third of Big Groundwater Basins in Distress". NASA. 16 June 2015. Retrieved 26 June 2015.
"GRACE-FO Launch Press Kit" (PDF). NASA. May 2018. Retrieved 23 May 2019.
Smith, Esprit (14 September 2018). "GRACE-FO Satellite Switching to Backup Instrument Processing Unit". NASA/JPL. Retrieved 14 September 2018.
"GRACE-FO: Tracking Earth's Mass in Motion" (PDF). NASA. 2017. NP-2017-4-002-GSFC. Archived from the original (PDF) on 26 January 2021. Retrieved 7 March 2019.
"GRACE-FO" (PDF). NASA Facts. NASA. Archived from the original (PDF) on 15 June 2021. Retrieved 29 September 2019.

gracefo.jpl.nasa.gov

"GRACE-FO Mission". NASA/JPL. Retrieved 19 November 2017.
"Spacecraft: Microwaves and Lasers". GRACE-FO. NASA/JPL. Retrieved 11 December 2017.
"Laser Ranging Interferometer". GRACE-FO. NASA/JPL. Retrieved 29 September 2019.
"Lasers in Space: GRACE-FO Tests New Technology". GRACE-FO. NASA. 8 May 2018. Retrieved 5 March 2020.
"Spacecraft Overview". GRACE-FO. NASA. Retrieved 5 March 2020.
"Solar Cell Arrays". GRACE-FO. NASA. Retrieved 27 February 2020.

nssdc.gsfc.nasa.gov

"GRACE 1". National Space Science Data Center. NASA. Retrieved 17 August 2016.
"GRACE 2". National Space Science Data Center. NASA. Retrieved 17 August 2016.
"Trajectory Details: GRACE 1". National Space Science Data Center. NASA. Retrieved 23 May 2019.
"GRACE-FO 1". National Space Science Data Center. NASA. Retrieved 23 May 2019.
"GRACE-FO 2". National Space Science Data Center. NASA. Retrieved 23 May 2019.

nasa.gov

Stillman, Dan (16 April 2007). "Measuring Gravity With GRACE". NASA. Retrieved 14 March 2018.
"Spacecraft". GRACE Mission. NASA. 6 June 2013. Retrieved 10 March 2019.
"Twin Spacecraft Launch to Track Earth's Water Movement". NASA. 22 May 2018. Retrieved 28 May 2019.
Rasmussen, Carol (1 November 2018). "GRACE-FO Resumes Data Collection". NASA. Retrieved 2 November 2018.

grace.jpl.nasa.gov

Rasmussen, Carol (1 November 2015). "NASA Finds New Way to Track Ocean Currents from Space". NASA/Jet Propulsion Laboratory. Retrieved 14 March 2018.
"GRACE Tellus: GRACE-FO". GRACE Tellus. NASA/JPL. Retrieved 18 April 2018.

science.nasa.gov

"GRACE-C". NASA. 25 November 2024. Retrieved 4 July 2025.

earthobservatory.nasa.gov

"Gravity Anomaly Maps and The Geoid". Earth Observatory. NASA. 30 March 2004. Retrieved 14 March 2018.

climate.nasa.gov

Sullivant, Rosemary (26 August 2009). "Gravity data sheds new light on ocean, climate". NASA. Retrieved 14 March 2018.

podaac.jpl.nasa.gov

"GRACE PO.DAAC". JPL Physical Oceanography and Distributed Active Archive Center. Retrieved 11 June 2015.

nih.gov (Global: 4^th place; English: 4^th place)

pubmed.ncbi.nlm.nih.gov

Tapley, Byron D.; Bettadpur, Srinivas; Ries, John C.; Thompson, Paul F.; Watkins, Michael M. (2004). "GRACE Measurements of Mass Variability in the Earth System" (PDF). Science. 305 (5683): 503–505. Bibcode:2004Sci...305..503T. doi:10.1126/science.1099192. PMID 15273390. S2CID 7357519.
Ciufolini, I.; Pavlis, E.C. (2004). "A confirmation of the general relativistic prediction of the Lense–Thirring effect" (PDF). Nature. 431 (7011): 958–960. Bibcode:2004Natur.431..958C. doi:10.1038/nature03007. PMID 15496915. S2CID 4423434. Archived from the original (PDF) on 13 June 2015.

nytimes.com (Global: 7^th place; English: 7^th place)

Chang, Kenneth (8 August 2006). "Before the '04 Tsunami, an Earthquake So Violent It Even Shook Gravity". The New York Times. Retrieved 4 May 2010.

ohiolink.edu (Global: 8,366^th place; English: 5,247^th place)

etd.ohiolink.edu

Ge, Shengjie (2006). GPS radio occultation and the role of atmospheric pressure on spaceborne gravity estimation over Antarctica. Ohio State University. Archived from the original on 13 June 2015. Retrieved 11 June 2015.

osu.edu (Global: 2,333^rd place; English: 1,632^nd place)

researchnews.osu.edu

"Big Bang in Antarctica—Killer Crater Found Under Ice". Ohio State University. Archived from the original on 6 March 2016.

physicsworld.com (Global: 6,140^th place; English: 4,691^st place)

Johnston, Hamish (23 July 2019). "Distance between spacecraft measured at the atomic scale". PhysicsWorld. Retrieved 29 September 2019.

semanticscholar.org (Global: 11^th place; English: 8^th place)

api.semanticscholar.org

Velicogna, Isabella; Sutterly, T.C.; van den Broeke, M.R. (2014). "Regional acceleration in ice mass loss from Greenland and Antarctica using GRACE time-variable gravity data". J. Geophys. Res. Space Phys. 41 (119): 8130–8137. Bibcode:2014GeoRL..41.8130V. doi:10.1002/2014GL061052. hdl:1874/308354. S2CID 53062626.
Tapley, Byron D.; Bettadpur, Srinivas; Ries, John C.; Thompson, Paul F.; Watkins, Michael M. (2004). "GRACE Measurements of Mass Variability in the Earth System" (PDF). Science. 305 (5683): 503–505. Bibcode:2004Sci...305..503T. doi:10.1126/science.1099192. PMID 15273390. S2CID 7357519.
Tregoning; Ramillien; McQueen; Zwartz (2009). "Glacial isostatic adjustment and nonstationary signals observed by GRACE". J. Geophys. Res. 114 (B6): B06406. Bibcode:2009JGRB..114.6406T. doi:10.1029/2008JB006161. S2CID 15724840.
Ciufolini, I.; Pavlis, E.C. (2004). "A confirmation of the general relativistic prediction of the Lense–Thirring effect" (PDF). Nature. 431 (7011): 958–960. Bibcode:2004Natur.431..958C. doi:10.1038/nature03007. PMID 15496915. S2CID 4423434. Archived from the original (PDF) on 13 June 2015.
Wahr, John; Molenaar, M.; Bryan, F. (1998). "Time variability of the Earth's gravity field: Hydrological and oceanic effects and their possible detection using GRACE". J. Geophys. Res. 103 (B12): 30205–30229. Bibcode:1998JGR...10330205W. doi:10.1029/98JB02844. S2CID 140194666.

skyrocket.de (Global: 4,664^th place; English: 3,842^nd place)

space.skyrocket.de

"GRACE (ESSP 2)". Gunter's Space Page. Retrieved 10 December 2017.
"GRACE-FO". Gunter's Space Page. Retrieved 23 May 2019.

space-airbusds.com (Global: low place; English: low place)

"Airbus Defence and Space to build two new research satellites for NASA" (Press release). Airbus Defence and Space. 29 November 2012. Archived from the original on 20 July 2014.

space-track.org (Global: low place; English: low place)

"Decay Data: GRACE-1". Space-Track. 10 March 2018. Retrieved 11 March 2018.
"Decay Data: GRACE-2". Space-Track. 24 December 2017. Retrieved 13 February 2018.

space.com (Global: 936^th place; English: 713^th place)

Weitering, Hanneke (22 May 2018). "SpaceX Launches Twin NASA Probes to Track Earth's Water (and Satellites Hitch a Ride)". Space.com. Retrieved 22 May 2018.

unipi.it (Global: low place; English: low place)

dm.unipi.it

Ciufolini, I.; Pavlis, E.C. (2004). "A confirmation of the general relativistic prediction of the Lense–Thirring effect" (PDF). Nature. 431 (7011): 958–960. Bibcode:2004Natur.431..958C. doi:10.1038/nature03007. PMID 15496915. S2CID 4423434. Archived from the original (PDF) on 13 June 2015.

utexas.edu (Global: 916^th place; English: 706^th place)

csr.utexas.edu

"Mission Overview". University of Texas. 19 November 2008. Archived from the original on 15 May 2009.

www2.csr.utexas.edu

"GRACE – Gravity Recovery and Climate Experiment". University of Texas Center for Space Research. Retrieved 21 March 2018.

web.archive.org (Global: 1^st place; English: 1^st place)

"Grace Space Twins Set to Team Up to Track Earth's Water and Gravity". NASA/JPL. Archived from the original on 5 June 2011. Retrieved 14 August 2009.
"Mission Overview". University of Texas. 19 November 2008. Archived from the original on 15 May 2009.
"Big Bang in Antarctica—Killer Crater Found Under Ice". Ohio State University. Archived from the original on 6 March 2016.
Ge, Shengjie (2006). GPS radio occultation and the role of atmospheric pressure on spaceborne gravity estimation over Antarctica. Ohio State University. Archived from the original on 13 June 2015. Retrieved 11 June 2015.
Ciufolini, I.; Pavlis, E.C. (2004). "A confirmation of the general relativistic prediction of the Lense–Thirring effect" (PDF). Nature. 431 (7011): 958–960. Bibcode:2004Natur.431..958C. doi:10.1038/nature03007. PMID 15496915. S2CID 4423434. Archived from the original (PDF) on 13 June 2015.
"GRACE-FO: Tracking Earth's Mass in Motion" (PDF). NASA. 2017. NP-2017-4-002-GSFC. Archived from the original (PDF) on 26 January 2021. Retrieved 7 March 2019.
"Airbus Defence and Space to build two new research satellites for NASA" (Press release). Airbus Defence and Space. 29 November 2012. Archived from the original on 20 July 2014.
"GRACE-FO" (PDF). NASA Facts. NASA. Archived from the original (PDF) on 15 June 2021. Retrieved 29 September 2019.

GRACE and GRACE-FO (English Wikipedia)

bbc.com (Global: 20th place; English: 30th place)

caltech.edu (Global: 887th place; English: 714th place)

authors.library.caltech.edu

doi.org (Global: 2nd place; English: 2nd place)

eoportal.org (Global: low place; English: low place)

directory.eoportal.org

esa.int (Global: 1,482nd place; English: 1,468th place)

esa.int

earth.esa.int

escholarship.org (Global: 1,523rd place; English: 976th place)

gfz-potsdam.de (Global: low place; English: low place)

gfz-potsdam.de

media.gfz-potsdam.de

handle.net (Global: 102nd place; English: 76th place)

hdl.handle.net

harvard.edu (Global: 18th place; English: 17th place)

ui.adsabs.harvard.edu

heavens-above.com (Global: low place; English: low place)

nasa.gov (Global: 75th place; English: 83rd place)

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gracefo.jpl.nasa.gov

nssdc.gsfc.nasa.gov

nasa.gov

grace.jpl.nasa.gov

science.nasa.gov

earthobservatory.nasa.gov

climate.nasa.gov

podaac.jpl.nasa.gov

nih.gov (Global: 4th place; English: 4th place)

pubmed.ncbi.nlm.nih.gov

nytimes.com (Global: 7th place; English: 7th place)

ohiolink.edu (Global: 8,366th place; English: 5,247th place)

etd.ohiolink.edu

osu.edu (Global: 2,333rd place; English: 1,632nd place)

researchnews.osu.edu

physicsworld.com (Global: 6,140th place; English: 4,691st place)

semanticscholar.org (Global: 11th place; English: 8th place)

api.semanticscholar.org

skyrocket.de (Global: 4,664th place; English: 3,842nd place)

space.skyrocket.de

space-airbusds.com (Global: low place; English: low place)

space-track.org (Global: low place; English: low place)

space.com (Global: 936th place; English: 713th place)

unipi.it (Global: low place; English: low place)

dm.unipi.it

utexas.edu (Global: 916th place; English: 706th place)

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www2.csr.utexas.edu

web.archive.org (Global: 1st place; English: 1st place)

bbc.com (Global: 20^th place; English: 30^th place)

caltech.edu (Global: 887^th place; English: 714^th place)

doi.org (Global: 2^nd place; English: 2^nd place)

esa.int (Global: 1,482^nd place; English: 1,468^th place)

escholarship.org (Global: 1,523^rd place; English: 976^th place)

handle.net (Global: 102^nd place; English: 76^th place)

harvard.edu (Global: 18^th place; English: 17^th place)

nasa.gov (Global: 75^th place; English: 83^rd place)

nih.gov (Global: 4^th place; English: 4^th place)

nytimes.com (Global: 7^th place; English: 7^th place)

ohiolink.edu (Global: 8,366^th place; English: 5,247^th place)

osu.edu (Global: 2,333^rd place; English: 1,632^nd place)

physicsworld.com (Global: 6,140^th place; English: 4,691^st place)

semanticscholar.org (Global: 11^th place; English: 8^th place)

skyrocket.de (Global: 4,664^th place; English: 3,842^nd place)

space.com (Global: 936^th place; English: 713^th place)

utexas.edu (Global: 916^th place; English: 706^th place)

web.archive.org (Global: 1^st place; English: 1^st place)