astronomy

Twila Moon

Twila Moon 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 Twila Moon rather than just read about it. In short: Twila Moon is a scientist at the National Snow and Ice Data Center known for her work on the Greenland ice sheet. Education and career Moon has a B.S. from Stanford University (2004) and an M.S. from the University of Washington (2008).

Key takeaways

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

Reference excerpt

Twila Moon is a scientist at the National Snow and Ice Data Center known for her work on the Greenland ice sheet.

Education and career Moon has a B.S. from Stanford University (2004) and an M.S. from the University of Washington (2008). She earned her Ph.D. in 2014 from the University of Washington where she worked on ice mass loss from a Greenland glacier. Following her Ph.D. she did postdoctoral work at the National Snow and Ice Data Center and the University of Oregon before joining the National Snow and Ice Data Center as a research scientist in 2017.

Research Moon is best known for her research on the Greenland ice sheet. Her early research examined the position of the ice sheet, and the change in the movement of the glacier. She has examined how water produced at the bottom of icebergs contributes to the freshwater found in Greenland's fjords, and defines the impact of the loss of the Greenland ice sheet on sea level rise. She is part of the group working to establish long-term observations of the Greenland ice sheet. Moon has examined the data quantifying the loss of ice from the Greenland ice sheet, and shares these results via conversations with the media and the United States House of Representatives. She speaks on climate change with multiple venues in the media, and is a co-author of Arctic report card. Moon has spoken about the border between being a scientist and being an activist in the realm of climate science.

Selected publications Joughin, Ian; Smith, Ben E.; Howat, Ian M.; Scambos, Ted; Moon, Twila (2010). "Greenland flow variability from ice-sheet-wide velocity mapping". Journal of Glaciology. 56 (197): 415–430. Bibcode:2010JGlac..56..415J. doi:10.3189/002214310792447734. S2CID 32127970. Moon, T.; Joughin, I.; Smith, B.; Howat, I. (4 May 2012). "21st-Century Evolution of Greenland Outlet Glacier Velocities". Science. 336 (6081): 576–578. Bibcode:2012Sci...336..576M. doi:10.1126/science.1219985. PMID 22556249. S2CID 34158909. Moon, Twila; Joughin, Ian (7 June 2008). "Changes in ice front position on Greenland's outlet glaciers from 1992 to 2007". Journal of Geophysical Research. 113 (F2): F02022. Bibcode:2008JGRF..113.2022M. doi:10.1029/2007JF000927. Moon, Twila; Joughin, Ian; Smith, Ben; van den Broeke, Michiel R.; van de Berg, Willem Jan; Noël, Brice; Usher, Mika (28 October 2014). "Distinct patterns of seasonal Greenland glacier velocity: Seasonal velocity". Geophysical Research Letters. 41 (20): 7209–7216. doi:10.1002/2014GL061836. PMC 4373171. PMID 25821275.

References

Worked examples

Example 1 — a first encounter with Twila Moon

Start with the simplest possible case. Write down what Twila Moon 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 Twila Moon 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 Twila Moon 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 Twila Moon

In research: Twila Moon 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 Twila Moon 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: Twila Moon is common in secondary-school and first-year university syllabi. It links to neighbouring topics Living people, Stanford University alumni, University of Washington alumni, so understanding it makes those chapters shorter.
In everyday life: Look for Twila Moon 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 Twila Moon in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Twila Moon 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 Twila Moon out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Twila Moon in simple terms?

Twila Moon is a scientist at the National Snow and Ice Data Center known for her work on the Greenland ice sheet. Education and career Moon has a B.S. from Stanford University (2004) and an M.S. from the University of Washington (2008).

Why does Twila Moon 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 Twila Moon?

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 Twila Moon.