astronomy

Virgo II Groups

Virgo II Groups 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 Virgo II Groups rather than just read about it. In short: The Virgo II Groups, also known as the Virgo II Cloud, Virgo Southern Extension, or the Virgo S Cloud, are a series of at least 100 galactic clusters and individual galaxies stretching approximately 30 megalight-years (9,198,041.81 parsecs) off the southern edge of the Virgo Supercluster. It is located approximately 55 Mly (16.86 Mpc) to 80 Mly (24.53 Mpc) from the Solar System, at a right ascension of 12h 00m to 13…

Key takeaways

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

Reference excerpt

The Virgo II Groups, also known as the Virgo II Cloud, Virgo Southern Extension, or the Virgo S Cloud, are a series of at least 100 galactic clusters and individual galaxies stretching approximately 30 megalight-years (9,198,041.81 parsecs) off the southern edge of the Virgo Supercluster. It is located approximately 55 Mly (16.86 Mpc) to 80 Mly (24.53 Mpc) from the Solar System, at a right ascension of 12h 00m to 13h 30m . These clusters include:

M61 Group: IC 3474 M61 (NGC 4303) NGC 4255 NGC 4420 NGC 4496A NGC 4517A NGC 4527 NGC 4533 NGC 4536 NGC 4581 NGC 4599 NGC 4632 PGC 40951 UGC 7387 UGC 7522 UGC 7612 UGC 7780 NGC 4030 Group: NGC 4030 UGC 6970 UGC 7000 NGC 4179 Group: NGC 4116 NGC 4123 NGC 4179 UGC 7035 NGC 4697 Group: IC 3908 MCG-1-33-1 MCG-1-33-3 MCG-1-33-11 MCG-1-33-33 MCG-1-33-59 MCG-1-33-61 MCG-1-33-82 NGC 4697 NGC 4731 NGC 4775 NGC 4941 NGC 4948 NGC 4948A NGC 4951 NGC 4958 UGCA 310 NGC 4699 Group: MCG-2-33-15 MCG-2-33-47 MCG-1-33-60 MCG-2-33-85 NGC 4699 NGC 4700 NGC 4722 NGC 4742 NGC 4781 NGC 4790 NGC 4802 NGC 4818 NGC 4753 Group: NGC 4636 NGC 4643 NGC 4688 NGC 4691 NGC 4753 NGC 4771 NGC 4772 NGC 4808 NGC 4845 NGC 4900 NGC 4904 UGC 7824 UGC 7911 UGC 7982 UGC 8041 NGC 4856 Group: MCG-2-33-82 MCG-2-33-88 MCG-3-33-32 NGC 4856 NGC 4984 NGC 4995 Group: IC 4212 NGC 4942 NGC 4981 NGC 4995 NGC 5084 Group: ESO 576-50 NGC 5084 NGC 5087 NGC 5134 Additional galaxies in the group: M104 (NGC 4594, or the Sombrero Galaxy) MCG-3-33-30 NGC 4457 NGC 4487 NGC 4504 NGC 4517 NGC 4546 NGC 4586 NGC 4592 NGC 4597 NGC 4665 NGC 4666 NGC 4684 NGC 4701 NGC 5054 NGC 5170 NGC 5247

See also M96 Group Leo II Groups Virgo III Groups

References

Illustrations

Worked examples

Example 1 — a first encounter with Virgo II Groups

Start with the simplest possible case. Write down what Virgo II Groups 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 Virgo II Groups 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 Virgo II Groups 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 Virgo II Groups

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

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

Frequently asked questions

What is Virgo II Groups in simple terms?

Why does Virgo II Groups 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 Virgo II Groups?

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 Virgo II Groups.