astronomy

NGC 4065 Group

NGC 4065 Group 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 4065 Group rather than just read about it. In short: The NGC 4065 Group is a group of galaxies located about 330 Mly (100 Mpc) in the constellation Coma Berenices. The group's brightest member is NGC 4065 and located in the Coma Supercluster.

Key takeaways

NGC 4065 Group 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 4065 Group to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of NGC 4065 Group from memory before moving on to harder problems.

Reference excerpt

The NGC 4065 Group is a group of galaxies located about 330 Mly (100 Mpc) in the constellation Coma Berenices. The group's brightest member is NGC 4065 and located in the Coma Supercluster. The group is dominated by mostly elliptical galaxies with only 15 to 31 percent of the members being spiral galaxies.

X-ray emission The NGC 4065 Group exhibits bimodal X-ray emission with one peak on the galaxies NGC 4061 and NGC 4065 and the other on NGC 4066.

Structure The NGC 4065 Group appears to consist of two subgroups known as UZC-CG 156 and UZC-CG 157 which are indistinguishable by velocity. However, White et al. suggests that the group contains three subgroups with subgroups A and C being centered on NGC 4065 and NGC 4095 respectively, and subgroup B which consists of the galaxies NGC 4086 and NGC 4090. At the center of the group lie the elliptical galaxies NGC 4061 and NGC 4065.

Nearby groups The NGC 4065 Group is located near the Leo Cluster and is part of a bridge of galaxies that connects the Leo Cluster to the Coma Cluster.

See also NGC 4065 Leo Cluster Coma Cluster List of Galaxy Groups

References

External links Finding Chart for the NGC 4065 Group

Illustrations

Worked examples

Example 1 — a first encounter with NGC 4065 Group

Start with the simplest possible case. Write down what NGC 4065 Group 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 4065 Group 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 4065 Group 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 4065 Group

In research: NGC 4065 Group 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 4065 Group 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 4065 Group is common in secondary-school and first-year university syllabi. It links to neighbouring topics Coma Berenices, Coma Supercluster, Galaxy clusters, so understanding it makes those chapters shorter.
In everyday life: Look for NGC 4065 Group 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 4065 Group in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what NGC 4065 Group 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 4065 Group out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is NGC 4065 Group in simple terms?

The NGC 4065 Group is a group of galaxies located about 330 Mly (100 Mpc) in the constellation Coma Berenices. The group's brightest member is NGC 4065 and located in the Coma Supercluster.

Why does NGC 4065 Group 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 4065 Group?

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 4065 Group.