engineering

Holly Ridings

Holly Ridings is a engineering 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 Holly Ridings rather than just read about it. In short: Holly Elizabeth Ridings (born 25 December 1973) is an American mechanical engineer and was the first woman to be chief flight director at NASA. She works at the Johnson Space Center.

Key takeaways

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

Reference excerpt

Holly Elizabeth Ridings (born 25 December 1973) is an American mechanical engineer and was the first woman to be chief flight director at NASA. She works at the Johnson Space Center.

Early life and education Ridings was born in Amarillo, Texas. She attended Texas A&M University, where she studied mechanical engineering and graduated in 1996. Ridings was made a member of the NASA Academy. She took part in a student program at the Goddard Space Flight Center. She is married to Michael Baine.

Career

Ridings joined NASA in 1998, working as an International Space Station flight controller in the Thermal Operations and Resources Group. She eventually became lead for the International Space Station Attitude Determination and Control group. In 2003 she became lead for the Space Station Motion Control Systems Group. In 2005 she was made a flight director. She was lead director for Expedition 16, STS-127 and SpaceX Dragon. As expedition 16 lead, Ridings was responsible for the crew of the International Space Station for STS-120, STS-122, STS-123 as well as the first Automated Transfer Vehicle mission. During STS-127, Ridings oversaw major construction to the International Space Station, including the addition of the Japanese Exposed Facility and the External Platform. Ridings was promoted to Deputy Chief Flight Director. She was responsible for the safety of the International Space Station crew during the SpaceX Dragon Demo. In September 2018 Ridings was announced as the chief flight director at NASA. She was responsible for 32 flight directors who oversee human spaceflight. She oversaw missions to the International Space Station, the Orion spacecraft as well as integrated trips of commercial crew spacecraft. Ridings served as chief flight director until 2022, when she was succeeded in that position by Emily Nelson. Ridings was promoted to lead the agency’s Gateway Program, an international partnership to establish humanity’s first space station orbiting the Moon.

Awards and honors Ridings won the NASA Outstanding Leadership Medal for Expedition 16 and the SpaceX Dragon Mission.

References

Illustrations

Worked examples

Example 1 — a first encounter with Holly Ridings

Start with the simplest possible case. Write down what Holly Ridings claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In engineering, 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 Holly Ridings 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 Holly Ridings 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 Holly Ridings

In research: Holly Ridings appears in engineering 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 Holly Ridings 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: Holly Ridings is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1973 births, American aerospace engineers, American mechanical engineers, so understanding it makes those chapters shorter.
In everyday life: Look for Holly Ridings 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 Holly Ridings in 20 minutes

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

Frequently asked questions

What is Holly Ridings in simple terms?

Holly Elizabeth Ridings (born 25 December 1973) is an American mechanical engineer and was the first woman to be chief flight director at NASA. She works at the Johnson Space Center.

Why does Holly Ridings matter?

Because it connects several engineering 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 Holly Ridings?

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 Holly Ridings.