science

ION (satellite)

ION (satellite) 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 ION (satellite) rather than just read about it. In short: The Illinois Observing Nanosatellite (ION) is the first CubeSat mission developed by the students of University of Illinois at Urbana-Champaign. The satellite was lost in the failure of the Dnepr launch on 26 July 2006.

Key takeaways

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

Reference excerpt

The Illinois Observing Nanosatellite (ION) is the first CubeSat mission developed by the students of University of Illinois at Urbana-Champaign. The satellite was lost in the failure of the Dnepr launch on 26 July 2006. Completed in April 2005 as a part of the Illinois Tiny Satellite Initiative, the satellite took almost four years to be designed, built and tested by an interdisciplinary team of student engineers. The payloads included a photometer, a micro-thruster and a camera.

Mission objectives The science and technology objectives of the ION-1 mission were aimed at advancing key enabling technologies for CubeSats:

Measurement of oxygen intensity in Earth's ionosphere to understand how energy transfers occur across large regions Test the MicroVacuum Arc Thruster (μVAT), a versatile small satellite propulsion technology for lateral movement and fine-control of attitude Test the SID processor board designed specifically for small satellites in low Earth orbit (LEO) Test a small CMOS camera for Earth imaging Demonstrate attitude stabilization on a CubeSat

Future missions at UIUC ION-1 was built using the IlliniSat-1 bus. The upgraded IlliniSat-2 bus is now under development for missions such as Lower Atmosphere Ionosphere Coupling Experiment (LAICE) and the CubeSail, both to be launched in 2016.

References

Worked examples

Example 1 — a first encounter with ION (satellite)

Start with the simplest possible case. Write down what ION (satellite) 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 ION (satellite) 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 ION (satellite) 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 ION (satellite)

In research: ION (satellite) 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 ION (satellite) 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: ION (satellite) is common in secondary-school and first-year university syllabi. It links to neighbouring topics American spacecraft stubs, CubeSats, Satellite launch failures, so understanding it makes those chapters shorter.
In everyday life: Look for ION (satellite) 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 ION (satellite) in 20 minutes

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

Frequently asked questions

What is ION (satellite) in simple terms?

Why does ION (satellite) 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 ION (satellite)?

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 ION (satellite).