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Timeline of spaceflight

Timeline of spaceflight 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 Timeline of spaceflight rather than just read about it. In short: This is a timeline of known spaceflights, both crewed and uncrewed, sorted chronologically by launch date. Due to its large size, the timeline has been split into smaller articles, one for each year since 1951.

Timeline of spaceflight — main illustration
Timeline of spaceflight — illustration

Key takeaways

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

Reference excerpt

This is a timeline of known spaceflights, both crewed and uncrewed, sorted chronologically by launch date. Due to its large size, the timeline has been split into smaller articles, one for each year since 1951. There is a separate list for all flights that occurred before 1951. The list for the year 2026 and for its subsequent years may contain planned launches, but the statistics will only include past launches. For the purpose of these lists, a spaceflight is defined as any flight that crosses the Kármán line, the FAI-recognized edge of space, which is 100 kilometres (62 miles) above mean sea level (AMSL). The timeline contains all the flights which have either crossed the edge of space, were intended to do so but failed, or are planned in the near future. Notable test flights of spaceflight systems may be listed even if they were not planned to reach space. Some lists are further divided into orbital launches (sending a payload into orbit, whether successful or not) and suborbital flights (e.g. ballistic missiles, sounding rockets, experimental spacecraft).

Space launch statistics (1957–2026)

Orbital and suborbital launches by year

Planned deep-space rendezvous after 2029

See also

Discovery and exploration of the Solar System Launch vehicle List of crewed spacecraft Outer space Space exploration Space launch market competition Timeline of private spaceflight Timeline of Solar System exploration Timeline of space exploration History of spaceflight

References

External links

Illustrations

Timeline of spaceflight illustration
Timeline of spaceflight: Liftoff of Space Shuttle Discovery on STS-31 mission carrying Hubble Space Telescope
Liftoff of Space Shuttle Discovery on STS-31 mission carrying Hubble Space Telescope

Worked examples

Example 1 — a first encounter with Timeline of spaceflight

Start with the simplest possible case. Write down what Timeline of spaceflight 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 Timeline of spaceflight 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 Timeline of spaceflight 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 Timeline of spaceflight

In research
Timeline of spaceflight 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 Timeline of spaceflight 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
Timeline of spaceflight is common in secondary-school and first-year university syllabi. It links to neighbouring topics Spaceflight by year, Spaceflight timelines, so understanding it makes those chapters shorter.
In everyday life
Look for Timeline of spaceflight 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 Timeline of spaceflight in 20 minutes

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

Frequently asked questions

What is Timeline of spaceflight in simple terms?

This is a timeline of known spaceflights, both crewed and uncrewed, sorted chronologically by launch date. Due to its large size, the timeline has been split into smaller articles, one for each year since 1951.

Why does Timeline of spaceflight 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 Timeline of spaceflight?

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 Timeline of spaceflight.

Tags

  • Spaceflight by year
  • Spaceflight timelines

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