science

RaInCube

RaInCube is a science 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 RaInCube rather than just read about it. In short: RaInCube, also stylized as RainCube, was a 6U CubeSat made by NASA as an experimental satellite. The bus was built by Tyvak Nano-Satellite Systems.

Key takeaways

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

Reference excerpt

RaInCube, also stylized as RainCube, was a 6U CubeSat made by NASA as an experimental satellite. The bus was built by Tyvak Nano-Satellite Systems. It had a small radar and an antenna. It was put into orbit in May 2018 and was deployed from the International Space Station on June 25, 2018. It re-entered Earth's atmosphere and burned up on Dec. 24, 2020. It was used to track large storms.

Mission objectives RainCube's mission objectives were to:

Demonstrate low-cost Ka band radar technology, with a vertical resolution of 250m and a horizontal resolution of at least 10 km. Its radar sensitivity should also be better than 20dBZ. Use Ka-band radar from a 6U CubeSat Profiling precipitation falling on Earth

Launch and deployment

RaInCube was launched as part of the Cygnus OA-9E Commercial Resupply Services mission on board an Antares 230 rocket on May 21, 2018, at Wallops Pad 0A. The Cygnus spacecraft docked with the International Space Station on May 24, 2018, three days later. RaInCube was finally deployed from the International Space Station on July 13, 2018.

Gallery

References

External links

Illustrations

Worked examples

Example 1 — a first encounter with RaInCube

Start with the simplest possible case. Write down what RaInCube claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, 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 RaInCube 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 RaInCube 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 RaInCube

In research: RaInCube appears in science 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 RaInCube 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: RaInCube is common in secondary-school and first-year university syllabi. It links to neighbouring topics 2018 in spaceflight, CubeSats, NASA satellites, so understanding it makes those chapters shorter.
In everyday life: Look for RaInCube 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 RaInCube in 20 minutes

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

Frequently asked questions

What is RaInCube in simple terms?

RaInCube, also stylized as RainCube, was a 6U CubeSat made by NASA as an experimental satellite. The bus was built by Tyvak Nano-Satellite Systems.

Why does RaInCube matter?

Because it connects several science 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 RaInCube?

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 RaInCube.