astronomy

G0.238-0.071

G0.238-0.071 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 G0.238-0.071 rather than just read about it. In short: G0.238-0.071, also known as [DWC2011] 56 or [MCD2010] 18, is a Wolf-Rayet Star in the constellation of Sagittarius. It is located near the Galactic Center, around 25,000 light years from Earth.

Key takeaways

G0.238-0.071 belongs to astronomy; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect G0.238-0.071 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of G0.238-0.071 from memory before moving on to harder problems.

Reference excerpt

G0.238-0.071, also known as [DWC2011] 56 or [MCD2010] 18, is a Wolf-Rayet Star in the constellation of Sagittarius. It is located near the Galactic Center, around 25,000 light years from Earth. G0.238-0.071 is currently the most luminous star known in the Milky Way, having around 5 million times the luminosity of the Sun. This also makes it among the most luminous stars ever discovered. It has a spectral type of WN11h with an effective temperature between 39,500 and 44,000 K which would give a radius between 39 and 48 times that of the Sun. Its mass is unknown but WNh stars with similar properties to G0.238-0.071 are massive, usually well over 100 times the mass of the Sun.

Notes

References

Worked examples

Example 1 — a first encounter with G0.238-0.071

Start with the simplest possible case. Write down what G0.238-0.071 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 G0.238-0.071 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 G0.238-0.071 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 G0.238-0.071

In research: G0.238-0.071 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 G0.238-0.071 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: G0.238-0.071 is common in secondary-school and first-year university syllabi. It links to neighbouring topics Sagittarius (constellation), Star stubs, Wolf–Rayet stars, so understanding it makes those chapters shorter.
In everyday life: Look for G0.238-0.071 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.

Ask Teacher Smith questions about this articleOpens your AI tutor with a question about “G0.238-0.071” →

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study G0.238-0.071 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what G0.238-0.071 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 G0.238-0.071 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is G0.238-0.071 in simple terms?

G0.238-0.071, also known as [DWC2011] 56 or [MCD2010] 18, is a Wolf-Rayet Star in the constellation of Sagittarius. It is located near the Galactic Center, around 25,000 light years from Earth.

Why does G0.238-0.071 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 G0.238-0.071?

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 G0.238-0.071.