astronomy

NGC 7016

NGC 7016 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 7016 rather than just read about it. In short: NGC 7016 is an elliptical galaxy located about 480 million light-years away from Earth in the constellation Capricornus. NGC 7016's calculated velocity is 11,046 km/s.

Key takeaways

NGC 7016 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 7016 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of NGC 7016 from memory before moving on to harder problems.

Reference excerpt

NGC 7016 is an elliptical galaxy located about 480 million light-years away from Earth in the constellation Capricornus. NGC 7016's calculated velocity is 11,046 km/s. The galaxy has an estimated diameter of about 160 thousand light years and was discovered by American astronomer Francis Preserved Leavenworth on July 8, 1885. It is also host to a supermassive black hole with an estimated mass of 1.4 billion M☉.

Physical characteristics NGC 7016 is one of two prominent radio galaxies in the galaxy cluster Abell 3744 along with the double galaxy system NGC 7018. These two galaxies form a pair in the central region of the cluster Abell 3744. NGC 7016 is a Famaroff-Riley type I radio galaxy, with bent asymmetric jets. Lower-resolution radio data obtained from observations from the VLA, show a very long, bent extension of the jet on the left side of the galaxy which forms a tendril structure. On the counterjet side there is extreme looping, forming a feature referred to as the “swirl.” It is thought that this swirl which runs into an X-ray cavity produced by NGC 7018, is the result of the jet colliding with the radio plasma from NGC 7018 and as a result of an interaction with a wake of gas left by the motion of NGC 7018 and its companion galaxy through the cluster.

See also M87 Elliptical galaxy NGC 7002 List of NGC objects (7001–7840)

References

External links NGC 7016 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 7016

Start with the simplest possible case. Write down what NGC 7016 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 7016 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 7016 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 7016

In research: NGC 7016 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 7016 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 7016 is common in secondary-school and first-year university syllabi. It links to neighbouring topics Abell 3744, Astronomical objects discovered in 1885, Capricornus, so understanding it makes those chapters shorter.
In everyday life: Look for NGC 7016 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 7016 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what NGC 7016 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 7016 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is NGC 7016 in simple terms?

NGC 7016 is an elliptical galaxy located about 480 million light-years away from Earth in the constellation Capricornus. NGC 7016's calculated velocity is 11,046 km/s.

Why does NGC 7016 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 7016?

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 7016.