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astronomy

Kepler-15b

Kepler-15b 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 Kepler-15b rather than just read about it. In short: Kepler-15b is a planet discovered by the Kepler spacecraft. It is a hot Jupiter, with a mass of 0.66+0.08−0.09 MJ, a radius 0.96+0.06−0.07 RJ and a period of about 4.94 days.

Kepler-15b — main illustration
Kepler-15b — illustration

Key takeaways

  • Kepler-15b belongs to astronomy; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Kepler-15b to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Kepler-15b from memory before moving on to harder problems.

Reference excerpt

Kepler-15b is a planet discovered by the Kepler spacecraft. It is a hot Jupiter, with a mass of 0.66+0.08−0.09 MJ, a radius 0.96+0.06−0.07 RJ and a period of about 4.94 days.

See also Kepler-15 - the host star

References

Illustrations

Kepler-15b: Comparison of best-fit size of the exoplanet Kepler-9 b with the Solar System planet Jupiter, as reported in the Open Exoplanet Catalogue, 2015
Comparison of best-fit size of the exoplanet Kepler-9 b with the Solar System planet Jupiter, as reported in the Open Exoplanet Catalogue, 2015

Worked examples

Example 1 — a first encounter with Kepler-15b

Start with the simplest possible case. Write down what Kepler-15b 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 Kepler-15b 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 Kepler-15b 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 Kepler-15b

In research
Kepler-15b 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 Kepler-15b 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
Kepler-15b is common in secondary-school and first-year university syllabi. It links to neighbouring topics Exoplanet stubs, Exoplanets discovered by the Kepler space telescope, Exoplanets discovered in 2011, so understanding it makes those chapters shorter.
In everyday life
Look for Kepler-15b 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 Kepler-15b in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Kepler-15b 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 Kepler-15b out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Kepler-15b in simple terms?

Kepler-15b is a planet discovered by the Kepler spacecraft. It is a hot Jupiter, with a mass of 0.66+0.08−0.09 MJ, a radius 0.96+0.06−0.07 RJ and a period of about 4.94 days.

Why does Kepler-15b 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 Kepler-15b?

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 Kepler-15b.

Tags

  • Exoplanet stubs
  • Exoplanets discovered by the Kepler space telescope
  • Exoplanets discovered in 2011
  • Gas giants
  • Kepler-15
  • Transiting exoplanets

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