science

Pixxel

Pixxel 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 Pixxel rather than just read about it. In short: Pixxel (pik·sl) is a US-Indian private space technology company building a constellation of hyperspectral imaging satellites into a sun-synchronous orbit. History Pixxel was founded by Awais Ahmed and Kshitij Khandelwal in 2019 while studying at BITS Pilani.

Key takeaways

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

Reference excerpt

Pixxel (pik·sl) is a US-Indian private space technology company building a constellation of hyperspectral imaging satellites into a sun-synchronous orbit.

History Pixxel was founded by Awais Ahmed and Kshitij Khandelwal in 2019 while studying at BITS Pilani. In 2023, the company was named one of TIME's 100 best Inventions in the Sustainability category and a Technology Pioneer by the World Economic Forum in 2024. It was Asia's only space startup to qualify for the 2019 Techstars Starburst Space Accelerator in Los Angeles. Pixxel's mission is to build a health monitor for the planet. Pixxel's hyperspectral satellites are designed to detect, monitor, and predict threats invisible to satellites in orbit today. This is made possible by the hyperspectral cameras' ability to capture additional wavelengths of light across a broad and continuous range on the electromagnetic spectrum beyond those typically observed by conventional satellite imaging systems. This technology provides detailed information about the health and composition of the Earth's surface, supporting decision-making in agriculture, energy, mining, infrastructure, environment and more. Pixxel is also building Aurora, its Earth Observation platform, which intends to make remote sensing accessible by simplifying the visualization and analysis of remote sensing datasets. Pixxel has launched and operated three demonstration hyperspectral satellites with 10-30 meter spatial resolutions. The company plans to launch six commercial 5m resolution hyperspectral Earth observation small satellites, named Fireflies, in 2025 and eighteen more by 2026. Pixxel partnered with Dragonfly Aerospace to develop the hyperspectral payloads. While pursuing his undergraduate degree, Awais Ahmed was one of the founding members and engineering lead at team Hyperloop India, a national finalist at the SpaceX Hyperloop Pod Competition in 2017. This team was the only one from India to win and was invited to SpaceX HQ to build, demonstrate, and race their Hyperloop vehicle. This experience inspired Ahmed to focus on space innovation. Identifying a gap in spectral resolution and the need for more detailed satellite imagery available in the market, Ahmed and Kshitij Khandelwal co-founded Pixxel in 2019 to provide high-resolution hyperspectral data and address climate change and concerns across agriculture, mining, environment, energy and more. Pixxel launched its first satellite, Shakuntala/TD-2, on a SpaceX Falcon-9 rideshare mission, Transporter-4, on April 1, 2022. Pixxel's third satellite, Anand, was scheduled to be launched in late 2020 on a Soyuz rocket. It later entered into an agreement with India's state-owned NSIL to use a PSLV rocket to launch it in early 2021. Its launch on board the PSLV-C51 was then delayed in February 2021 due to technical issues. Anand was launched on ISRO's PSLV-C54 successfully on 26 November 2022. Pixxel has three demo satellites they launched between 2021 and 2022. One of them, Shakuntala, has reached its end of life after monitoring the Earth for ~620 days and beaming down its first hyperspectral images for commercial use. The six satellites, referred to as the Fireflies, are being built and will be launched with ISRO and SpaceX in 2024. The next set of satellites will be called Honeybees. Pixxel also launched a first-of-its-kind 30,000+ sq ft. Spacecraft Assembly, Integration, and Testing (AIT) facility called 'MegaPixxel' in Bengaluru, India, to design, manufacture, integrate and test their satellites under one roof.

Funding and investment Pixxel's seed round of funding in August 2020 raised US$8 million from Lightspeed India Partners, Blume Ventures, GrowX Ventures, Techstars, Omnivore VC, and others. This was followed by a US$27 million Series A funding in March 2022 from Radical Ventures, Seraphim Space Investment, Sparta LLC, and other existing investors, as well as an undisclosed amount from Accenture in 2022. Their US$27 million was the largest amount raised by an Indian space company at the time. It was also the first time an international venture capital fund invested in the Indian space ecosystem. The company announced a Series B extension funding of US$24 million from M&G Catalyst and Glade Brook Capital Partners, bringing the total Series B funding to US$60 Million. This funding puts Pixxel as one of the highest-funded space-tech startups in India and the highest-funded hyperspectral imaging company globally. Since its inception, Pixxel has raised a total of US$95 million in funding.

Technology and products Pixxel Space's technology includes its constellation of hyperspectral imaging satellites and its in-house Earth observation platform, Aurora. In addition to its imaging capabilities, Pixxel makes satellites.

Hyperspectral imaging satellites

Pixxel is building a constellation of hyperspectral imaging satellites that provide 5-metre resolution and capture up to 50 times more data than conventional satellites across over 250 VNIR and SWIR bands. Pixxel's hyperspectral imaging sensors capture and analyze images across a wide range of the electromagnetic spectrum, including wavelengths invisible to the naked eye and beyond the capabilities of current multispectral imaging sensors. Traditional multispectral imaging satellites capture only a few broad and discrete bands, while Pixxel's technology offers a detailed and unique 'spectral fingerprint' (or spectral signature) of Earth's objects, materials, and conditions, enabling precise identification and monitoring. The satellites feature a 40 km swath width and a 24-hour revisit frequency. Pixxel's technology has applications across agriculture, environment, mining, energy, urban planning and other industries for enhanced crop management, environmental monitoring and sustainability, improving surveying, monitoring pipeline leaks and infrastructure safety, responsible resource exploration, disaster assessment and more.

Earth observation studio Aurora is Pixxel's Earth observation studio. Hyperspectral data from Pixxel's satellites are expected to be available starting in 2025.

Satellite manufacturing and missions Pixxel offers satellite manufacturing services.

… excerpt ends here. Continue reading the full article.

Illustrations

Worked examples

Example 1 — a first encounter with Pixxel

Start with the simplest possible case. Write down what Pixxel 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 Pixxel 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 Pixxel 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 Pixxel

In research: Pixxel 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 Pixxel 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: Pixxel is common in secondary-school and first-year university syllabi. It links to neighbouring topics 2019 establishments in Karnataka, Companies based in Bengaluru, Indian companies established in 2019, so understanding it makes those chapters shorter.
In everyday life: Look for Pixxel 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 Pixxel in 20 minutes

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

Frequently asked questions

What is Pixxel in simple terms?

Pixxel (pik·sl) is a US-Indian private space technology company building a constellation of hyperspectral imaging satellites into a sun-synchronous orbit. History Pixxel was founded by Awais Ahmed and Kshitij Khandelwal in 2019 while studying at BITS Pilani.

Why does Pixxel 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 Pixxel?

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 Pixxel.