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Helen Dodson Prince

Helen Dodson Prince is a astronomy topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Helen Dodson Prince rather than just read about it. In short: Helen Dodson Prince (December 31, 1905 – February 4, 2002) was an American astronomer who pioneered work in solar flares at the University of Michigan. Early life and education Helen Prince (née Dodson) was born in Baltimore, Maryland on December 31, 1905, to Helen Walter and Henry Clay Dodson.

Helen Dodson Prince — main illustration
Helen Dodson Prince — illustration

Key takeaways

  • Helen Dodson Prince belongs to astronomy; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Helen Dodson Prince to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Helen Dodson Prince from memory before moving on to harder problems.

Reference excerpt

Helen Dodson Prince (December 31, 1905 – February 4, 2002) was an American astronomer who pioneered work in solar flares at the University of Michigan.

Early life and education Helen Prince (née Dodson) was born in Baltimore, Maryland on December 31, 1905, to Helen Walter and Henry Clay Dodson. Being skilled in both physics and mathematics, Prince received a full scholarship to study mathematics at Goucher College, where she received a Bachelor of Arts degree in 1927. During her undergraduate studies, she was influenced by professor Florence Lewis to study astronomy. Prince continued onto graduate school at the University of Michigan, where she received her master's degree in 1932 and her Ph.D. in 1934, both in astronomy. Prince's doctoral thesis was entitled "A Study of the Spectrum of 25 Orionis".

Career and achievements Prince served as an assistant professor of astronomy at Wellesley College from 1933 to 1945. Prince spent the summers of 1934 and 1935, at the Maria Mitchell Observatory, where she continued to study the spectroscopy of 25 Orionis. Her findings would later be published in the Astrophysical Journal. During the summers of 1938 and 1939, Prince's interest in solar activity became prominent while researching it at the Paris Observatory. Between 1943 and 1945, Prince worked at the Massachusetts Institute of Technology's Radiation Laboratory, where she made significant contributions to the study of radar. After World War II, she returned to Goucher College, where she was an astronomy professor from 1945 to 1950. Prince began her research at the McMath–Hulbert Observatory in 1947 and eventually left MIT to become its associate director as well as to be an astronomy professor in Michigan. Upon retiring from the University of Michigan in 1976, Helen Dodson Prince continued her work until 1979 at the observatory as a professor emerita. Even then, from 1979 to the year of her death in 2002, Prince remained an independent consultant for the Applied Physics Laboratory at Johns Hopkins University. Her memberships included being a fellow of the American Astronomical Society, the American Association for the Advancement of Science, and the American Geophysical Union. Dodson held the Dean Van Meter fellowship from Goucher in 1932 and received the Annie Jump Cannon Award in Astronomy in 1954. In 1974, Dodson received the Faculty Distinguished Achievement Award from the University of Michigan. Throughout her career, Dodson published over 130 journal articles, many co-authored by E. Ruth Hedeman, and mostly on solar flares. Among her students at Goucher were astronomers Nan Dieter-Conklin and Harriet H. Malitson.

Awards and honors Dean Van Meter Fellowship, Goucher College (1932) Annie Jump Cannon Award in Astronomy (1955) Faculty Distinguished Achievement Award from the University of Michigan (1974) Asteroid 71669 Dodsonprince, discovered by astronomers with the Catalina Sky Survey in 2000, was named in her honor. The official naming citation was published by the Minor Planet Center on 8 November 2019 (M.P.C. 118220).

Selected publications

Articles Dodson, Helen W., and E. Ruth Hedeman. "Major Hα flares in centers of activity with very small or no spots." Solar Physics 13.2 (1970): 401–419. Dodson, Helen W., E. Ruth Hedeman, and Marta Rovira de Miceli. 1972. NOAA. Reevaluation of solar flares, (1967). http://purl.fdlp.gov/GPO/gpo60763. Dodson, Helen Walter, and E. Ruth Hedeman. "Problems of differentiation of flares with respect to geophysical effects." (1964). Dodson, Helen W., and E. Ruth Hedeman. "The proton flare of August 28, 1966." Solar Physics 4.2 (1968): 229–239. Dodson, Helen W., E. Ruth Hedeman, and A. E. Covington. "Solar Flares and Associated 2800 Mc/sec (10.7 Cm) Radiation." The Astrophysical Journal 119 (1954): 541. Dodson, Helen W., and E. Ruth Hedeman. "Geomagnetic disturbances associated with solar flares with major premaximum bursts at radio frequencies 200 MC/S." Journal of Geophysical Research 63.1 (1958): 77–96. Dodson, Helen W., and E. Ruth Hedeman. "Geomagnetic disturbances associated with solar flares with major premaximum bursts at radio frequencies 200 MC/S." Journal of Geophysical Research 63.1 (1958): 77–96. Dodson, Helen W., E. Ruth Hedeman, and Leif Owren. "Solar Flares and Associated 200 Mc/sec Radiation." The Astrophysical Journal 118 (1953): 169. Dodson, Helen W., and E. Ruth Hedeman. "The Frequency and Positions of Flares Within Three Active Sunspot Areas." The Astrophysical Journal 110 (1949): 242.

Book An experimental comprehensive flare index and its derivation for" Major" flares, 1955-1969. Vol. 14., compiled by Helen W. Dodson and E. Ruth Hedeman; prepared by Research Laboratories, National Oceanic and Atmospheric Administration, Environmental Data Service. 1971.

References

Worked examples

Example 1 — a first encounter with Helen Dodson Prince

Start with the simplest possible case. Write down what Helen Dodson Prince claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In astronomy, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Helen Dodson Prince before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Helen Dodson Prince ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Helen Dodson Prince

In research
Helen Dodson Prince appears in astronomy research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Helen Dodson Prince in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Helen Dodson Prince is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1905 births, 2002 deaths, 20th-century American scientists, so understanding it makes those chapters shorter.
In everyday life
Look for Helen Dodson Prince outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
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How to study Helen Dodson Prince in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Helen Dodson Prince means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Helen Dodson Prince out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Helen Dodson Prince in simple terms?

Helen Dodson Prince (December 31, 1905 – February 4, 2002) was an American astronomer who pioneered work in solar flares at the University of Michigan. Early life and education Helen Prince (née Dodson) was born in Baltimore, Maryland on December 31, 1905, to Helen Walter and Henry Clay Dodson.

Why does Helen Dodson Prince matter?

Because it connects several astronomy ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Helen Dodson Prince?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Helen Dodson Prince.

Tags

  • 1905 births
  • 2002 deaths
  • 20th-century American scientists
  • 20th-century American women academics
  • 20th-century American women scientists
  • American women astronomers
  • Goucher College alumni
  • MIT Radiation Laboratory people
  • Recipients of the Annie J. Cannon Award in Astronomy
  • Scientists from Baltimore
  • University of Michigan alumni
  • University of Michigan faculty

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