astronomy

Soyuz TMA-7

Soyuz TMA-7 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 Soyuz TMA-7 rather than just read about it. In short: Soyuz TMA-7 (Russian: Союз ТМА-7) was a transport mission for portions of the International Space Station (ISS) Expedition 12 crew launched October 1, 2005. The flight delivered ISS Commander William McArthur and ISS Flight Engineer Valery Tokarev to the station to replace Expedition 11 crew members.

Key takeaways

Soyuz TMA-7 belongs to astronomy; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Soyuz TMA-7 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Soyuz TMA-7 from memory before moving on to harder problems.

Reference excerpt

Soyuz TMA-7 (Russian: Союз ТМА-7) was a transport mission for portions of the International Space Station (ISS) Expedition 12 crew launched October 1, 2005. The flight delivered ISS Commander William McArthur and ISS Flight Engineer Valery Tokarev to the station to replace Expedition 11 crew members. Spaceflight Participant Gregory Olsen joined the TMA-7 crew for the ascent and docking with the ISS, spent approximately eight days aboard conducting experiments, then returned to Earth with the outgoing members of Expedition 11 aboard Soyuz TMA-6. McArthur and Tokarev were joined on their return trip to Earth by Flight Engineer Marcos Pontes who launched aboard Soyuz TMA-8 and spent approximately seven days aboard the ISS conducting experiments for the Brazilian Space Agency.

Crew

Docking with ISS Docked to ISS: October 3, 2005, 05:27 UTC (to Pirs module) Undocked from ISS: November 18, 2005, 08:46 UTC (from Pirs module) Docked to ISS: November 18, 2005, 09:05 UTC (to nadir port of Zarya) Undocked from ISS: March 20, 2006, 06:49 UTC (from nadir port of Zarya) Docked to ISS: March 20, 2006, 07:11 UTC (to aft port of Zvezda) Undocked from ISS: April 8, 2006, 20:28 UTC (from aft port of Zvezda)

Mission highlights 28th crewed flight to ISS (Flight 11S). Soyuz TMA-7 is a Soyuz spacecraft which was launched on October 1, 2005 by a Soyuz-FG rocket from Baikonur Cosmodrome.

The spacecraft carried two members of the Expedition 12 crew to the International Space Station, together with the space tourist Gregory Olsen. They replaced the Expedition 11 crew, Commander Sergei Krikalev and John Phillips. The last member of the original Expedition 12 crew, Thomas Reiter finally launched in July 2006 on STS-121. Owing to shuttle mechanical and weather delays, he was forced to move to Expedition 13. This was the last flight which is covered by the 1996 "balance" agreement that required the Russians to provide 11 Soyuz spacecraft to ferry joint U.S-Russian crews to and from the International Space Station. Further Soyuz flights needed a renegotiation between NASA and its Russian counterpart, and a modification of the Iran Nonproliferation Act of 2000. After re-entry, when the pilot parachute was deployed at a height of 10 km the main parachute took a while to open, which caused some concern among the crew and could have been fatal if the main parachute had taken longer to deploy.

Replica A company in Bauru is building a replica of the capsule that brought Marcos Pontes back to Earth, but they wrongly describe it as the Soyuz TMA-8.

Illustrations

Worked examples

Example 1 — a first encounter with Soyuz TMA-7

Start with the simplest possible case. Write down what Soyuz TMA-7 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 Soyuz TMA-7 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 Soyuz TMA-7 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 Soyuz TMA-7

In research: Soyuz TMA-7 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 Soyuz TMA-7 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: Soyuz TMA-7 is common in secondary-school and first-year university syllabi. It links to neighbouring topics Crewed Soyuz missions, Human spaceflights to the International Space Station, Orbital space tourism flights, so understanding it makes those chapters shorter.
In everyday life: Look for Soyuz TMA-7 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 Soyuz TMA-7 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Soyuz TMA-7 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 Soyuz TMA-7 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Soyuz TMA-7 in simple terms?

Why does Soyuz TMA-7 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 Soyuz TMA-7?

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 Soyuz TMA-7.