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astronomy

HD 155358 c

HD 155358 c 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 HD 155358 c rather than just read about it. In short: HD 155358 c is an extrasolar planet orbiting the star HD 155358 located 142 light-years away in the constellation Hercules. This is a gas giant which orbits at 1.224 AU and takes 530.3 days to orbit HD 155358.

Key takeaways

  • HD 155358 c belongs to astronomy; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect HD 155358 c to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of HD 155358 c from memory before moving on to harder problems.

Reference excerpt

HD 155358 c is an extrasolar planet orbiting the star HD 155358 located 142 light-years away in the constellation Hercules. This is a gas giant which orbits at 1.224 AU and takes 530.3 days to orbit HD 155358. This planet orbits in an eccentric orbit. This planet has at least half the mass of Jupiter.

See also HD 155358 b

References Cochran, W.; et al. (2007). "A Planetary System Around HD 155358: The Lowest Metallicity Planet Host Star". The Astrophysical Journal. 665 (2): 1407–1412. arXiv:0705.3228. Bibcode:2007ApJ...665.1407C. doi:10.1086/519555. S2CID 14591389.

External links The Extrasolar Planets Encyclopaedia: HD 155358 c

Worked examples

Example 1 — a first encounter with HD 155358 c

Start with the simplest possible case. Write down what HD 155358 c 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 HD 155358 c 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 HD 155358 c 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 HD 155358 c

In research
HD 155358 c 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 HD 155358 c 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
HD 155358 c is common in secondary-school and first-year university syllabi. It links to neighbouring topics Exoplanet stubs, Exoplanets detected by radial velocity, Exoplanets discovered in 2007, so understanding it makes those chapters shorter.
In everyday life
Look for HD 155358 c 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 HD 155358 c in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what HD 155358 c means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain HD 155358 c out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is HD 155358 c in simple terms?

HD 155358 c is an extrasolar planet orbiting the star HD 155358 located 142 light-years away in the constellation Hercules. This is a gas giant which orbits at 1.224 AU and takes 530.3 days to orbit HD 155358.

Why does HD 155358 c 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 HD 155358 c?

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 HD 155358 c.

Tags

  • Exoplanet stubs
  • Exoplanets detected by radial velocity
  • Exoplanets discovered in 2007
  • Giant planets
  • Hercules (constellation)

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