science

Kosmos 1667

Kosmos 1667 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 Kosmos 1667 rather than just read about it. In short: Kosmos 1667 (Russian: Космос 1667 meaning Kosmos 1667), or Bion 7 was a 1985 biomedical research mission satellite involving scientists from nine countries. It was part of the Bion program.

Key takeaways

Kosmos 1667 belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Kosmos 1667 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Kosmos 1667 from memory before moving on to harder problems.

Reference excerpt

Kosmos 1667 (Russian: Космос 1667 meaning Kosmos 1667), or Bion 7 was a 1985 biomedical research mission satellite involving scientists from nine countries. It was part of the Bion program. This mission was the scientific participation of nine countries (Bulgaria, Czechoslovakia, East Germany, France, Hungary, Poland, Romania, Soviet Union and United States).

Mission

Kosmos 1667 was the second U.S.S.R. biosatellite mission with a primate payload. Although the American experiment on the Kosmos 1667 mission was meant to be a repeat of the Kosmos 1514 cardiovascular experiment, several improvements were implemented on this mission. Modified post-surgery animal handling procedures minimised the risk of damaging the transducer implants. Data was sampled and recorded more frequently during the inflight period. Two monkeys with flight-type cardiovascular instrumentation were studied in a ground-based synchronous control experiment; postflight cardiovascular tests were not conducted after Kosmos 1514. Postural tilt tests were conducted during the pre-flight and post-flight periods in several animals to establish a ground-based pool of normal data for this procedure. This data was compared with the similar body fluid shifts thought to occur in flight. Instrument calibration procedures were modified on this mission to ensure that blood pressure measurements would be accurate. The main objective of American participation in the Kosmos 1667 mission was to measure carotid artery pressure and blood flow during the inflight period. The United States provided all flight and ground support instrumentation for this experiment. Raw analogue data from flight and ground control experiments was transferred to the Cardiovascular Research Laboratory at the NASA Ames Research Center for analysis. Hemodynamic data was to be correlated with concurrently recorded Soviet data. A similar correlative study was performed during the Cosmos 1514 mission, where blood flow velocity was compared to total body cardiac output as determined by impedance cardiography. Two rhesus macaques (Macaca mulatta) named Gordyy and Oomka were flown on board the biosatellite. Each animal weighed approximately 4 kg (8.8 lb). Both were instrumented for Soviet neurophysiology studies. The instruments consisted of bilaterally implanted microelectrodes in the vestibular nuclei, and electro-oculogram and electroencephalogram electrodes. Monkeys were housed in Soviet biosatellite capsules, as for the Kosmos 1514 mission. United States hardware developed for the Kosmos 1514 cardiovascular experiment was used again on this mission. A barometric pressure recorder mounted in the primate capsule was used to correct and normalise the implanted pressure sensor to 760 mm Hg. They were also taken ten male rats, and ten newts. The newts had part of their front limbs amputated and their crystalline lenses removed to study the possible rate of human recovery from injuries incurred in space. A biocalorimeter monitored energy exchange during the emergence of flies from nymphs; 1500 drosophila flies were carried for this purpose. The payload also included maize seeds, crocuses, and guppies in an aquarium. The mission was recovered after seven days. on 17 July 1985.

Illustrations

Worked examples

Example 1 — a first encounter with Kosmos 1667

Start with the simplest possible case. Write down what Kosmos 1667 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 Kosmos 1667 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 Kosmos 1667 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 Kosmos 1667

In research: Kosmos 1667 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 Kosmos 1667 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: Kosmos 1667 is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1985 in spaceflight, 1985 in the Soviet Union, Bion satellites, so understanding it makes those chapters shorter.
In everyday life: Look for Kosmos 1667 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 Kosmos 1667 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Kosmos 1667 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 Kosmos 1667 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Kosmos 1667 in simple terms?

Kosmos 1667 (Russian: Космос 1667 meaning Kosmos 1667), or Bion 7 was a 1985 biomedical research mission satellite involving scientists from nine countries. It was part of the Bion program.

Why does Kosmos 1667 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 Kosmos 1667?

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 Kosmos 1667.