astronomy

Nuna 1

Nuna 1 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 Nuna 1 rather than just read about it. In short: Nuna 1 (or simply Nuna) was a car powered by solar power, developed by students from the Delft University of Technology. The first Nuna team (the so-called Alpha Centauri team) consisted of the following team members: Ramon Martinez, Kim de Lange, Eiso Vaandrager, Bart Goorden, Bram Soethoudt, Koen Boorsma, Anne Makenbach, Rosalie Puiman and Eric Trottemant.

Key takeaways

Nuna 1 belongs to astronomy; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Nuna 1 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Nuna 1 from memory before moving on to harder problems.

Reference excerpt

Nuna 1 (or simply Nuna) was a car powered by solar power, developed by students from the Delft University of Technology. The first Nuna team (the so-called Alpha Centauri team) consisted of the following team members: Ramon Martinez, Kim de Lange, Eiso Vaandrager, Bart Goorden, Bram Soethoudt, Koen Boorsma, Anne Makenbach, Rosalie Puiman and Eric Trottemant. The project was sponsored by Nuon. Thanks to this financial help the team was able to finish their first car: Nuna 1. The team consisted mainly of students from the Delft University of Technology who were guided by former astronaut Wubbo Ockels. The Nuna won the World Solar Challenge in Australia in 2001; the race ran from Darwin in the north to Adelaide in the south. It was the first time that the Dutch team participated in the race. The 3021 km long race was finished in 32 hours and 39 minutes, breaking the old record by the Honda team from 1996 (33 hours and 32 minutes). The average speed was 91.8 kilometer per hour.

Solar cells The car's shell was covered with the best dual-junction and triple-junction gallium-arsenide solar cells, developed for satellites. These cells had an efficiency of about 24%. The European Space Agency (ESA) was about to test these cells in space in early 2003, when the technology-demonstrating SMART-1 mission was scheduled to launch to the Moon.

A small strip of silicon solar cells on the side of the car was very special for a different reason: the communication equipment was powered by a strip of cells that originally belonged to the NASA/ESA Hubble Space Telescope. These cells were part of a large solar array, retrieved by ESA astronaut Claude Nicollier and brought back to Earth in 1993 with a Space Shuttle. They have been donated to the Alpha Centauri team as a special mascot.

Race Nuna qualified 11th 18 November 2001 - Day 1 Nuna took the lead before the first checkpoint in the race End of day 1: Nuna is in the lead. 728 km in distance has been covered 19 November 2001 - Day 2 Nuna slowed down in strong wind saving energy Australian aurora team overtook Nuna and build a 30 km lead Around 16:00, Aurora was once again in sight and Nuna re-took the lead. End of day 2: Nuna had a lead of 12.6 km over Aurora. M-Pulse lay in third place at 58 km and Solar Motions in fourth at 91 km. 20 November 2001 - Day 3 Nuna vehicle maintained the lead in the race to reach Adelaide. End of day 3: Having travelled a total distance of 2100 km, the finish line was just 830 km away. The closest rival car, Aurora, is just 15 km behind Nuna, although third-placed M-Pulse is now trailing by more than an hour. 21 November 2001 - Day 4 Nuna finished first in a record-breaking time of 32 hours 39 minutes.

See also Solar car racing Solar vehicle List of solar car teams

References

External links Solar Challenge rally benefits from space technology Hubble gets new ESA-supplied solar arrays ""Racing with the Sun", ESA technology transfer program" (PDF). (1.89 MB)

Worked examples

Example 1 — a first encounter with Nuna 1

Start with the simplest possible case. Write down what Nuna 1 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 Nuna 1 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 Nuna 1 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 Nuna 1

In research: Nuna 1 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 Nuna 1 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: Nuna 1 is common in secondary-school and first-year university syllabi. It links to neighbouring topics Delft University of Technology, Dutch inventions, Science and technology in the Netherlands, so understanding it makes those chapters shorter.
In everyday life: Look for Nuna 1 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.

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Nuna 1 in 20 minutes

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

Frequently asked questions

What is Nuna 1 in simple terms?

Why does Nuna 1 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 Nuna 1?

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 Nuna 1.