astronomy

UGC 8335

UGC 8335 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 UGC 8335 rather than just read about it. In short: UGC 8335 (Arp 238) is a pair of strongly interacting spiral galaxies. They have been distorted by extreme tidal forces, creating prominent tidal tails and a bridge of gas and stars between the galaxies.

Key takeaways

UGC 8335 belongs to astronomy; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect UGC 8335 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of UGC 8335 from memory before moving on to harder problems.

Reference excerpt

UGC 8335 (Arp 238) is a pair of strongly interacting spiral galaxies. They have been distorted by extreme tidal forces, creating prominent tidal tails and a bridge of gas and stars between the galaxies. UGC 8335 is about 400 million light-years from Earth, in the constellation Ursa Major. It is the 238th object in Halton Arp's Atlas of Peculiar Galaxies.

Supernova On 25 April 2012, Doug Rich discovered supernova SN 2012by in UGC 8335. At the time of discovery, the supernova had a magnitude of 17.6. A peak magnitude measurement of 17.3 was recorded two days later, on April 27. SN 2012by was classified as a Type II supernova by Tomasella et al. at the Astronomical Observatory of Padova. The research group also found that its spectrum was similar to that of SN 1996as.

References

External links SIMBAD Astronomical Database NASA/IPAC Extragalactic Database Full Arp Atlas Arp Atlas image of Arp 238 List of supernovae for 2012

Illustrations

Worked examples

Example 1 — a first encounter with UGC 8335

Start with the simplest possible case. Write down what UGC 8335 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 UGC 8335 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 UGC 8335 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 UGC 8335

In research: UGC 8335 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 UGC 8335 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: UGC 8335 is common in secondary-school and first-year university syllabi. It links to neighbouring topics Arp objects, Interacting galaxies, Luminous infrared galaxies, so understanding it makes those chapters shorter.
In everyday life: Look for UGC 8335 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 UGC 8335 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what UGC 8335 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 UGC 8335 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is UGC 8335 in simple terms?

Why does UGC 8335 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 UGC 8335?

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 UGC 8335.