science

SpaceX CRS-17

SpaceX CRS-17 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 SpaceX CRS-17 rather than just read about it. In short: SpaceX CRS-17, also known as SpX-17, was a Commercial Resupply Services mission (CRS) to the International Space Station that was launched aboard a Falcon 9 rocket on 4 May 2019. The mission was contracted by NASA and was flown by SpaceX.

Key takeaways

SpaceX CRS-17 belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect SpaceX CRS-17 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of SpaceX CRS-17 from memory before moving on to harder problems.

Reference excerpt

SpaceX CRS-17, also known as SpX-17, was a Commercial Resupply Services mission (CRS) to the International Space Station that was launched aboard a Falcon 9 rocket on 4 May 2019. The mission was contracted by NASA and was flown by SpaceX. An umbilical connection from the strongback remained attached to the spacecraft and is visible in photos taken of it approaching & attached to the ISS.

Launch schedule history In February 2016, it was announced that NASA had awarded a contract extension to SpaceX for five additional CRS missions (CRS-16 to CRS-20). In June 2016, a NASA Inspector General report had this mission manifested for October 2018, but by January 2019 this had been pushed back to April 2019. Due to a Dragon 2 test anomaly on 20 April 2019, SpaceX needed to acquire a permit to allow landing on the drone ship, "Of Course I Still Love You". The ship was stationed just 28 kilometres (17 mi) downrange "to ensure the integrity of the area and preserve valuable information". The scheduled launch on 30 April 2019 was delayed to 3 May, due to problems with the space station's electrical power system. This launch was further delayed to 4 May due to electrical issues aboard Of Course I Still Love You.

Primary payload Total weight of the cargo on the CRS-17 mission was 2,482 kg (5,472 lb), consisting of 1,517 kg (3,344 lb) in the pressurized section and 965 kg in the unpressurized section. Cargo in unpressurized section included the Orbiting Carbon Observatory 3 (OCO-3) and STP-H6.

Gallery

See also Uncrewed spaceflights to the International Space Station

References

External links Media related to SpaceX CRS-17 at Wikimedia Commons NASA SpaceX official page for the Dragon spacecraft Launch date update https://www.youtube.com/watch?v=QmvY8ZmN0Ic

Illustrations

Worked examples

Example 1 — a first encounter with SpaceX CRS-17

Start with the simplest possible case. Write down what SpaceX CRS-17 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 SpaceX CRS-17 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 SpaceX CRS-17 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 SpaceX CRS-17

In research: SpaceX CRS-17 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 SpaceX CRS-17 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: SpaceX CRS-17 is common in secondary-school and first-year university syllabi. It links to neighbouring topics SpaceX Dragon 1, SpaceX payloads contracted by NASA, Spacecraft launched by Falcon 9 Block 5 rockets, so understanding it makes those chapters shorter.
In everyday life: Look for SpaceX CRS-17 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 SpaceX CRS-17 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what SpaceX CRS-17 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 SpaceX CRS-17 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is SpaceX CRS-17 in simple terms?

Why does SpaceX CRS-17 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 SpaceX CRS-17?

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 SpaceX CRS-17.