astronomy

NGC 3

NGC 3 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 3 rather than just read about it. In short: NGC 3 is a lenticular galaxy located 172 million light-years from Earth in the constellation of Pisces. It was discovered on November 29, 1864, by Albert Marth.

Key takeaways

NGC 3 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 3 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of NGC 3 from memory before moving on to harder problems.

Reference excerpt

NGC 3 is a lenticular galaxy located 172 million light-years from Earth in the constellation of Pisces. It was discovered on November 29, 1864, by Albert Marth. It has the morphological type of S0. However other sources classify NGC 3 as a barred spiral galaxy as a type of SBa.

Observational history NGC 3 was discovered by the German astronomer Albert Marth on 29 November 1864 and was described as "faint, very small, round, almost stellar".

Properties NGC 3 is a lenticular galaxy, though other sources have referred to it as a barred spiral galaxy. It is located at a distance of about 172 million light-years from Earth, and has a magnitude of 14.2. NGC 3 appears to have a faint spiral arm structure, along with a weak bar.

Listing in astronomical catalogues The object is cataloged as UGC 58, PGC 565, Ark 1, MCG+01-01-037, and CGCG 408–35.

Gallery

References

External links Media related to NGC 3 at Wikimedia Commons

NGC 3 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 3

Start with the simplest possible case. Write down what NGC 3 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 3 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 3 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 3

In research: NGC 3 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 3 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 3 is common in secondary-school and first-year university syllabi. It links to neighbouring topics Astronomical objects discovered in 1864, Galaxies discovered in 1864, IRAS catalogue objects, so understanding it makes those chapters shorter.
In everyday life: Look for NGC 3 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.

Affiliate

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

How to study NGC 3 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what NGC 3 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 3 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is NGC 3 in simple terms?

NGC 3 is a lenticular galaxy located 172 million light-years from Earth in the constellation of Pisces. It was discovered on November 29, 1864, by Albert Marth.

Why does NGC 3 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 3?

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 3.