science

Mars aircraft

Mars aircraft 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 Mars aircraft rather than just read about it. In short: A Mars aircraft is a vehicle capable of sustaining powered flight in the atmosphere of Mars. So far, the Mars helicopter Ingenuity is the only aircraft ever to fly on Mars, completing 72 successful flights covering 17.242 km (10.714 mi) in 2 hours, 8 minutes and 48 seconds of flight time.

Key takeaways

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

Reference excerpt

A Mars aircraft is a vehicle capable of sustaining powered flight in the atmosphere of Mars. So far, the Mars helicopter Ingenuity is the only aircraft ever to fly on Mars, completing 72 successful flights covering 17.242 km (10.714 mi) in 2 hours, 8 minutes and 48 seconds of flight time. Ingenuity operated on Mars for 1036 sols (1064 total days; 2 years, 334 days), until it was retired following rotor blade damage. It made the first powered flight on 19 April 2021, taking off from the surface. Previously, the experimental aircraft, NASA Mini-Sniffer, was considered for possible missions to fly in and study Mars's atmosphere, but that idea was abandoned. Aircraft may provide on site measurements of the atmosphere of Mars, as well as additional observations over extended areas. A long-term goal is to develop piloted Mars aircraft. Compared to Earth, the air on Mars is much thinner at the surface, with pressure less than 1% of Earth's at sea level, requiring a more efficient method to achieve lift. Offsetting that disadvantage, Mars air, mostly consisting of carbon dioxide (CO2), is denser per unit of volume than Earth air, and gravity on Mars is less than 40% of Earth's.

History In 1918, the Danish science fiction film Himmelskibet (aka A Trip to Mars) featured an aerospace craft called Excelsior for a crewed trip to Mars. Before the start of Mars exploration with spacecraft, the density of Mars's atmosphere was suspected to be higher than was later measured to be, leading engineers to think that winged flight would be much easier than it actually is. In his "Mars Project" ("Das Marsprojekt") concept, Wernher von Braun proposed winged vehicles for landing human missions on Mars. The first detailed Mars lander contracted by NASA was to Ford/Philco Aeronutronic in the early 1960s, which was for a lifting body design for the lander; this is when some of best estimates for the Mars atmosphere were significantly denser than revealed by the Mariner IV measurements in July 1965. The lander had a tub-shaped lifting body with winglets, and was one of the first detailed designs for Mars lander although it would not be able to fly in the revised figures for the Mars atmospheric conditions. The Aeronutronic Mars lifting-body lander design was based on Mars atmosphere of mostly nitrogen about 10% of Earth. July 1965 marked a shift away from lifting body and winged glider style Mars landers to ballistic entry gumdrop style landers. In the 1970s the Mini-Sniffer aircraft were made in several versions so it could also operate in an all-CO2 environment. The Mini-Sniffer could run without oxygen by using hydrazine, and the design was considered for sampling the atmosphere of Mars. The airplane had a large propeller to be effective in the thin air and many flights of various configurations were made between 1975 and 1982. A winged rover design was proposed in the 1970s, to cover more area than the stationary Viking landers. There was a proposal by NASA in the 1990s for a Mars airplane to fly on Mars by the anniversary of the Wright Brothers's first flight, in the "Faster, Better, Cheaper" era. The ARES Mars airplane proposal was selected as a Mars Scout Program candidate, but not selected for flight. In 2015, a Mars aircraft was considered as an option in the re-boot of the Japanese MELOS mission. One early design proposed a wing-span of 1.2m, a mass of 2.1 kg, and with the following mission profile: During the landing phase of the surface element of MELOS, the aircraft would be released at an altitude of 5 km then fly 4 minutes, covering 25 horizontal km. On April 19, 2021, the NASA helicopter Ingenuity became the first powered and controlled Mars aircraft to take flight. It originally landed on the planet while stored under the NASA Mars rover Perseverance.

Airplanes

Prototype Mars planes have flown at close to 30 km (98,000 ft) altitude on Earth (in roughly twice of the average air pressure at Mars's surface), and tested expandable wings that cure in ultraviolet light. For flight in Mars's atmosphere, the Reynolds number would be very low compared to flight in Earth's atmosphere. Valles Marineris was targeted for an uncrewed aircraft flight and by Mars's gliders. Gliders could carry more scientific instrumentation, but cover less area. Hydrazine has been proposed as a fuel for Mars aircraft. At one point, NASA was developing plans for a wok-sized airplane "micromission", which would piggyback on a separate Mars bound payload. Mach 1 on Mars can be about 240 m/s (790 ft/s) while it is about 332 m/s (1,090 ft/s) on Earth. The Daedalus proposal in the canceled Mars Scout program designed a Mars glider that would fly over 400 km (250 mi) along the Coprates Chasma Proposed Mars airplane concepts include:

ARES (Aerial Regional-scale Environmental Survey) MAGE (Mars Airborne Geophysical Explorer) AME (Airplane for Mars Exploration) MATADOR (Mars Advanced Technology Airplane for Deployment, Operations and Recovery) Sky-Sailor, solar powered airplane with micro-robots Kitty Hawk, multi-glider mission Daedalus, glider with 400+ km range (Mars Scout 2011 proposal) ARMaDA, "Advanced Reconnaissance Martian Deployable Aircraft" MAREA, "Martial Aerial Research Euroavia Airplane" Prandtl-M (Preliminary Research Aerodynamic Design to Land on Mars) NASA Mini-Sniffer, considered for sampling the atmosphere of Mars, tested running on hydrazine (air independent). Mars Aerial and Ground Global Intelligent Explorer (MAGGIE) - Solar UAV plane with VTOL capabilities to land and recharge.

Balloons Balloons may provide an alternative to parachutes, allowing for a soft landing. A balloon could allow a lander to take off and land at a new site. Two types of balloon technology are super-pressure and Montgolfiere. The super-pressure balloons try to contain the pressure caused by heating to maintain altitude. The Montgolfiere would use heated Martian air to create lift. An example of concept for Mars balloon was the Mars Geoscience Aerobot. Some work has been done to develop extremely thin, flexible solar cells that could allow a balloon's skin itself to generate power from the Sun. Airships with vacuum used to create lift have also been proposed.

Rotorcraft

… excerpt ends here. Continue reading the full article.

Illustrations

Worked examples

Example 1 — a first encounter with Mars aircraft

Start with the simplest possible case. Write down what Mars aircraft 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 Mars aircraft 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 Mars aircraft 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 Mars aircraft

In research: Mars aircraft 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 Mars aircraft 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: Mars aircraft is common in secondary-school and first-year university syllabi. It links to neighbouring topics Extraterrestrial aircraft, Mars aircraft, Missions to Mars, so understanding it makes those chapters shorter.
In everyday life: Look for Mars aircraft 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.

Ask Teacher Smith questions about this articleOpens your AI tutor with a question about “Mars aircraft” →

Affiliate

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

How to study Mars aircraft in 20 minutes

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

Frequently asked questions

What is Mars aircraft in simple terms?

Why does Mars aircraft 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 Mars aircraft?

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 Mars aircraft.