science

Long March 6

Long March 6 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 Long March 6 rather than just read about it. In short: The Long March 6 (Chinese: 长征六号运载火箭) or Chang Zheng 6 as in pinyin, abbreviated LM 6 for export or CZ 6 within China, is a Chinese liquid-fuelled launch vehicle of the Long March family, which was developed by the China Aerospace Science and Technology Corporation (CASC) and the Shanghai Academy of Spaceflight Technology (SAST). The rocket was developed in the 2000s, and made its maiden flight in 2015.

Key takeaways

Long March 6 belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Long March 6 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Long March 6 from memory before moving on to harder problems.

Reference excerpt

The Long March 6 (Chinese: 长征六号运载火箭) or Chang Zheng 6 as in pinyin, abbreviated LM 6 for export or CZ 6 within China, is a Chinese liquid-fuelled launch vehicle of the Long March family, which was developed by the China Aerospace Science and Technology Corporation (CASC) and the Shanghai Academy of Spaceflight Technology (SAST). The rocket was developed in the 2000s, and made its maiden flight in 2015. As one of the new generation rocket family, the Long March 6 was designed to be a light capacity, "high-speed response" rocket, complementing the heavy lift Long March 5 and the mid-heavy lift Long March 7 rocket families. It is capable of placing at least 1,000 kg (2,200 lb) of payload into a Sun-synchronous orbit. The first stage of the Long March 6 was derived from the booster rockets being developed for the Long March 5 rocket. It is powered by a YF-100 engine, which generates 1,340 kN (300,000 lbf) of thrust from burning kerosene and LOX as rocket fuel and oxidiser. This was the first flight of the new engine design.

Variants

LM 6A An enlarged variant, the Long March 6A, which has four strap-on solid boosters, an elongated stage one, a new stage two with the same diameter as the first stage, and a payload capacity of at least 4000 kg to Sun-synchronous orbit, made its maiden flight on 29 March 2022.

LM 6C A further iteration named the Long March 6C with a slightly shorter length than the 6A and without the four strap-on solid boosters had its successful maiden launch on 7 May 2024.

Launch statistics Long March 6 only; not including 6A or 6C variants.

List of launches

Long March 6 only; not including 6A or 6C variants.

Lists of launches for the related Long March 6A and Long March 6C can be found in their respective Wikipedia pages.

Illustrations

Long March 6: Maiden flight of Long March 6 rocket — Maiden flight of Long March 6 rocket

Worked examples

Example 1 — a first encounter with Long March 6

Start with the simplest possible case. Write down what Long March 6 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 Long March 6 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 Long March 6 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 Long March 6

In research: Long March 6 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 Long March 6 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: Long March 6 is common in secondary-school and first-year university syllabi. It links to neighbouring topics 2015 in China, 2015 in spaceflight, Long March (rocket family), so understanding it makes those chapters shorter.
In everyday life: Look for Long March 6 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 Long March 6 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Long March 6 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 Long March 6 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Long March 6 in simple terms?

Why does Long March 6 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 Long March 6?

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 Long March 6.