astronomy

NGC 5671

NGC 5671 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 NGC 5671 rather than just read about it. In short: NGC 5671 is a large barred spiral galaxy in the constellation of Ursa Minor. Its velocity with respect to the cosmic microwave background is 9,058±43 km/s, which corresponds to a Hubble distance of 435.7 ± 30.6 Mly (133.59 ± 9.39 Mpc).

Key takeaways

NGC 5671 belongs to astronomy; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect NGC 5671 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of NGC 5671 from memory before moving on to harder problems.

Reference excerpt

NGC 5671 is a large barred spiral galaxy in the constellation of Ursa Minor. Its velocity with respect to the cosmic microwave background is 9,058±43 km/s, which corresponds to a Hubble distance of 435.7 ± 30.6 Mly (133.59 ± 9.39 Mpc). However, five non-redshift measurements give a closer mean distance of 353.75 ± 10.07 Mly (108.460 ± 3.086 Mpc). It was discovered by German-British astronomer William Herschel on 6 May 1791. According to Abraham Mahtessian, NGC 5671 and UGC 9295 form a pair of galaxies.

Supernovae Two supernovae have been observed in NGC 5671:

SN 2008be (Type IIn, mag. 18.5) was discovered by the Lick Observatory Supernova Search (LOSS) on 12 March 2008. SN 2020dya (Type II, mag. 19.11) was discovered by the Zwicky Transient Facility on 4 March 2020.

See also List of NGC objects (5001–6000)

References

External links Media related to NGC 5671 at Wikimedia Commons NGC 5671 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images

Illustrations

Worked examples

Example 1 — a first encounter with NGC 5671

Start with the simplest possible case. Write down what NGC 5671 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 NGC 5671 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 NGC 5671 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 NGC 5671

In research: NGC 5671 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 NGC 5671 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: NGC 5671 is common in secondary-school and first-year university syllabi. It links to neighbouring topics Astronomical objects discovered in 1791, Barred spiral galaxies, Discoveries by William Herschel, so understanding it makes those chapters shorter.
In everyday life: Look for NGC 5671 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 NGC 5671 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what NGC 5671 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 NGC 5671 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is NGC 5671 in simple terms?

Why does NGC 5671 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 NGC 5671?

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 NGC 5671.