# Tyler Nordgren

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Dr Tyler Eugene Nordgren Born (1969-11-18)November 18, 1969 Alma mater Reed College Cornell University Scientific career Fields Astronomy Institutions United States Naval Observatory Flagstaff Station Lowell Observatory University of Redlands Thesis A Neutral Hydrogen Study of Close and Wide Galaxy Pairs (1997)

**Tyler Eugene Nordgren** (November 18, 1969) is an [astronomer](/source/Astronomer) and professor of [physics](/source/Physics) at the [University of Redlands](/source/University_of_Redlands).[1]

## Education

Nordgren earned a B.A. in physics from [Reed College](/source/Reed_College) and an M.S. and Ph.D. in [astronomy](/source/Astronomy) from [Cornell University](/source/Cornell_University).

## Research

Before joining the University of Redlands in 2001, Nordgren was an astronomer at the [United States Naval Observatory Flagstaff Station](/source/United_States_Naval_Observatory_Flagstaff_Station) and [Lowell Observatory](/source/Lowell_Observatory).[2]

In 2004, with six other astronomers and artists, Nordgren helped develop [MarsDials](/source/MarsDial), functioning sundials that [NASA](/source/NASA)'s [*Spirit*](/source/Spirit_(rover)), [*Opportunity*](/source/Opportunity_(rover)), and [*Curiosity*](/source/Curiosity_(rover)) rovers carried with them to [Mars](/source/Mars).[3][4]

Nordgren also designed the giant sundial that resides on the wall of Appleton Hall at the [University of Redlands](/source/University_of_Redlands) and is accurate within 10 minutes.[5][6]

For the past five years, Nordgren has been traveling around the U.S. to educate the public about what [eclipses](/source/Eclipses) are and how the opportunity to see the [total solar eclipse](/source/Total_solar_eclipse) on August 21, 2017 should not be missed.[7] More of Nordgren's research on eclipses can be found in his most recent book *Sun Moon Earth: The History of Solar Eclipses from Omens of Doom to Einstein and Exoplanets* (Basic Books, 2016).[8]

## Collaboration with U.S. National Park Service

Nordgren has been a member of the National Park Service Night Sky Team since 2007, working with the [U.S. National Park Service](/source/U.S._National_Park_Service) to protect the night skies and promote astronomy education in [U.S. national parks](/source/List_of_areas_in_the_United_States_National_Park_System).[9][10]

Nordgren has helped document the parks' night skies with photography that has been on display in galleries from New York City to Flagstaff, Arizona, and is on display in a number of national parks.[11] The Acadia Night Sky Festival has featured many of his photographs.[12][13] Nordgren has also developed a poster campaign in conjunction with the National Park Service to “See the Milky Way” in America’s parks where “Half the Park is After Dark.”[14]

His 2010 book *Stars Above, Earth Below: A Guide to Astronomy in the National Parks* (Praxis, 2010) was published as a way to spread the message of the importance of protecting the night sky.[15]

## Professional affiliations

Nordgren was elected to the board of directors of the [International Dark-Sky Association](/source/International_Dark-Sky_Association) (IDA) in 2011.[16] He is also a member of the [American Astronomical Society](/source/American_Astronomical_Society).[17]

## Selected publications

- Nordgren, T. E., *Sun Moon Earth: The History of Solar Eclipses from Omens of Doom to Einstein and Exoplanets*, 2016.[18] (Named "One of Amazon's Best Science Books of 2016")[19]

- Nordgren, T. E., *Stars Above, Earth Below: A Guide to Astronomy in the National Parks*, 2010 (Springer).[20]

- Nordgren, T. E., Lane, B. F., Hindsley, R. B., and Kervella, P., "Calibration of the Barnes–Evans Relation Using Interferometric Observations of Cepheids", The Astronomical Journal, 123, 3380, 2002.[21]

- Nordgren, T. E., Sudol, J. J., and Mozurkewich, D., "Comparison of Stellar Angular Diameters from the NPOI, the Mark III Optical Interferometer, and the Infrared Flux Method", The Astronomical Journal, 122, 2707, 2001.[22]

- Nordgren, T. E., and NPOI Collaboration, "Stellar Angular Diameters of Late–Type Giants and Supergiants Measured with the Navy Prototype Optical Interferometer", The Astronomical Journal, 118, 3032, 1999.[23]

## References

1. **[^](#cite_ref-1)** ["Tyler Nordgren"](https://www.redlands.edu/study/schools-and-centers/college-of-arts-and-sciences/undergraduate-studies/physics/meet-our-faculty/tyler-nordgren/). *University of Redlands*. Retrieved 15 March 2017.

1. **[^](#cite_ref-2)** ["Tyler Nordgren"](https://www.redlands.edu/study/schools-and-centers/college-of-arts-and-sciences/undergraduate-studies/physics/meet-our-faculty/tyler-nordgren/). *University of Redlands*. Retrieved 15 March 2017.

1. **[^](#cite_ref-3)** ["Tyler Nordgren"](https://www.redlands.edu/study/schools-and-centers/college-of-arts-and-sciences/undergraduate-studies/physics/meet-our-faculty/tyler-nordgren/). *University of Redlands*. Retrieved 15 March 2017.

1. **[^](#cite_ref-4)** ["Tyler Nordgren Biography"](http://www.tylernordgren.com/biography/). *Space Art Travel*. Retrieved 15 March 2017.

1. **[^](#cite_ref-5)** ["North American Sundial Society"](http://sundials.org/index.php/component/sundials/onedial/658). *North American Sundial Society*. Retrieved 20 March 2017.

1. **[^](#cite_ref-6)** ["Physics, up close and personal"](http://www.redlandsdailyfacts.com/article/ZZ/20060702/NEWS/607029917). *Redlands Daily Facts*. 7 May 2013. Retrieved 20 March 2017.

1. **[^](#cite_ref-7)** ["I Was Robbed of My Eclipse Experience. Don't Let That Happen To You"](http://www.nbcnews.com/mach/space/i-was-robbed-my-eclipse-experience-don-t-let-happen-n741126). *NBC News*. Retrieved 3 April 2017.

1. **[^](#cite_ref-8)** ["Tyler Nordgren Books"](http://www.tylernordgren.com/books-1/). *Space Art Travel*. Retrieved 20 March 2017.

1. **[^](#cite_ref-9)** ["Tyler Nordgren"](http://www.redlands.edu/study/schools-and-centers/college-of-arts-and-sciences/undergraduate-studies/physics/meet-our-faculty/tyler-nordgren/). *University of Redlands*. Retrieved 20 March 2017.

1. **[^](#cite_ref-10)** ["Tyler Nordgren Biography"](http://www.tylernordgren.com/biography/). *Space Art Travel*. Retrieved 20 March 2017.

1. **[^](#cite_ref-11)** ["Tyler Nordgren Biography"](http://www.tylernordgren.com/biography/). *Space Art Travel*. Retrieved 20 March 2017.

1. **[^](#cite_ref-12)** ["Acadia Night Sky Festival"](http://www.acadianightskyfestival.com/Gallery/Gallery.aspx). *Acadia Night Sky Festival*. Retrieved 20 March 2017.

1. **[^](#cite_ref-13)** ["Acadia Night Sky Festival"](http://www.tylernordgren.com/exhibitions/acadia-night-sky-festival/). *Space Art Travel*. Retrieved 20 March 2017.

1. **[^](#cite_ref-14)** ["Milky Way Posters"](http://www.tylernordgren.com/milky-way-posters/). *Space Art Travel*. Retrieved 20 March 2017.

1. **[^](#cite_ref-15)** ["Tyler Nordgren Books"](http://www.tylernordgren.com/books-1/). *Space Art Travel*. Retrieved 20 March 2017.

1. **[^](#cite_ref-16)** ["Tyler Nordgren Biography"](http://www.tylernordgren.com/biography/). *Space Art Travel*. Retrieved 20 March 2017.

1. **[^](#cite_ref-17)** ["Tyler Nordgren"](http://www.redlands.edu/study/schools-and-centers/college-of-arts-and-sciences/undergraduate-studies/physics/meet-our-faculty/tyler-nordgren/). *University of Redlands*. Retrieved 20 March 2017.

1. **[^](#cite_ref-18)** ["Book review: Sun Moon Earth by Tyler Nordgren"](http://cs.astronomy.com/asy/b/daves-universe/archive/2016/11/04/book-review-sun-moon-earth-by-tyler-nordgren.aspx). *Astronomy Magazine*. Retrieved 4 April 2017.

1. **[^](#cite_ref-19)** [*Sun Moon Earth: The History of Solar Eclipses from Omens of Doom to Einstein and Exoplanets*](https://www.amazon.com/dp/B01DWW27GW/ref=dp-kindle-redirect?_encoding=UTF8&btkr=1). Basic Books. 13 September 2016. Retrieved 4 April 2017 – via Amazon.

1. **[^](#cite_ref-20)** Nordgren, Tyler (21 May 2010). [*Stars Above, Earth Below A Guide to Astronomy in the National Parks*](https://www.springer.com/us/book/9781441916488). Springer. [ISBN](/source/ISBN_(identifier)) [9781441916488](https://en.wikipedia.org/wiki/Special:BookSources/9781441916488). Retrieved 4 April 2017.

1. **[^](#cite_ref-21)** Nordgren, Tyler E.; Lane, B. F.; Hindsley, R. B.; Kervella, P. (2002). "Calibration of the Barnes-Evans Relation Using Interferometric Observations of Cepheids". *The Astronomical Journal*. **123** (6): 3380–3386. [arXiv](/source/ArXiv_(identifier)):[astro-ph/0203130](https://arxiv.org/abs/astro-ph/0203130). [Bibcode](/source/Bibcode_(identifier)):[2002AJ....123.3380N](https://ui.adsabs.harvard.edu/abs/2002AJ....123.3380N). [doi](/source/Doi_(identifier)):[10.1086/340567](https://doi.org/10.1086%2F340567). [S2CID](/source/S2CID_(identifier)) [17862496](https://api.semanticscholar.org/CorpusID:17862496).

1. **[^](#cite_ref-22)** Nordgren, Tyler E.; Sudol, J. J.; Mozurkewich, D. (2001). ["Comparison of Stellar Angular Diameters from the NPOI, the Mark III Optical Interferometer, and the Infrared Flux Method"](https://doi.org/10.1086%2F323546). *The Astronomical Journal*. **122** (5): 2707–2712. [Bibcode](/source/Bibcode_(identifier)):[2001AJ....122.2707N](https://ui.adsabs.harvard.edu/abs/2001AJ....122.2707N). [doi](/source/Doi_(identifier)):[10.1086/323546](https://doi.org/10.1086%2F323546).

1. **[^](#cite_ref-23)** Nordgren, Tyler E.; Germain, M. E.; Benson, J. A.; Mozurkewich, D.; Sudol, J. J.; Elias Ii, N. M.; Hajian, Arsen R.; White, N. M.; Hutter, D. J.; Johnston, K. J.; Gauss, F. S.; Armstrong, J. T.; Pauls, T. A.; Rickard, L. J. (1999). ["Stellar Angular Diameters of Late-Type Giants and Supergiants Measured with the Navy Prototype Optical Interferometer"](https://doi.org/10.1086%2F301114). *The Astronomical Journal*. **118** (6): 3032–3038. [Bibcode](/source/Bibcode_(identifier)):[1999AJ....118.3032N](https://ui.adsabs.harvard.edu/abs/1999AJ....118.3032N). [doi](/source/Doi_(identifier)):[10.1086/301114](https://doi.org/10.1086%2F301114).

## External links

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- [https://www.tylernordgren.com/](https://www.tylernordgren.com/): Space Art Travel Bureau

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