physics

Galactic Energy

Galactic Energy is a physics 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 Galactic Energy rather than just read about it. In short: Galactic Energy (Chinese: 星河动力) is a Chinese private space launch enterprise flying the Ceres-1 and developing the Pallas-1 and Ceres-2 orbital rockets. The company's long-term objective is to mine asteroids for rare metals and minerals.

Key takeaways

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

Reference excerpt

Galactic Energy (Chinese: 星河动力) is a Chinese private space launch enterprise flying the Ceres-1 and developing the Pallas-1 and Ceres-2 orbital rockets. The company's long-term objective is to mine asteroids for rare metals and minerals.

History Galactic Energy successfully conducted its first launch in November 2020 with a Ceres-1 rocket. Galactic Energy became the second private company in China to put a satellite in orbit successfully (after i-Space) and the fourth to attempt an orbital launch (after Landspace, OneSpace, and i-Space). On 6 December 2021, Galactic Energy launched its second Ceres-1 rocket, becoming the first Chinese private firm to reach orbit twice. In January 2022, the company raised $200 million for reusable launch vehicle development.

Launch vehicles

Ceres-1

Ceres-1 (Chinese: 谷神星一号) is a four-stage rocket small-lift launch vehicle, the first three stages use solid-propellant rocket motors and the final stage uses a hydrazine propulsion system. It can deliver 400 kg (880 lb) to low Earth orbit or 300 kg (660 lb) to 500 km Sun-synchronous orbit (SSO). It is about 19 m (62 ft) tall and 1.4 m (4 ft 7 in) in diameter. The first launch of Ceres-1 took place at 7 November 2020, successfully placing the Tianqi 11 (also transcribed Tiange, also known as TQ 11, and Scorpio 1, COSPAR 2020-080A) satellite in orbit. The satellite's mass was about 50 kg (110 lb) and its purpose was to function as an experimental satellite offering Internet of things (IoT) communications. On 5 September 2023 the sea-launched version of the launch vehicle, designated Ceres-1S, made its debut successfully sending to orbit four Tianqi satellites. The launch took place from the DeFu 15002 converted barge (previously used also for launching the Long March 11 launch vehicle) off the coast of Haiyang.

Ceres-2

Ceres-2 (Gushenxing-2, GX-2) is an enlarged (3.35 metre diameter) and improved development of Ceres-1. It is expected to deliver up to 1600 kg to 500 km low Earth orbit and up to 1300 kg to 500 km SSO. Debut launch on 17 January 2026 was not successful.

Pallas-1

The Pallas-1 (Chinese: 智神星一号) is a partly reusable two-stage medium-lift orbital launch vehicle currently in development, with its inaugural flight anticipated in 2025. The first stage will have legs and grid fins to allow recovery by vertical landing (much like the SpaceX Falcon 9). The first stage of Pallas-1 uses seven “CQ-50” liquid oxygen/kerosene engines, with a lift-off mass of 283 tons and a maximum payload capacity to low Earth orbit (LEO) of 8 tons. Using three Pallas-1 booster cores as its first stage, the rocket will be capable of putting a 17.5-tonne payload into low Earth orbit (LEO).

Pallas-2 The Pallas-2 is a next-generation Heavy-lift launch vehicle under development by Galactic Energy, Designed to retain features of the Pallas-1 with a significantly larger payload capacity while keeping reusable VTVL a feature. Based on the company statements Pallas-2 is projected to be more capable of placing 20 tonnes into low earth orbit. (LEO) additional configuration are in development to support larger mission profiles up to 58 tonnes on the heavy tri core variant. Galactic Energy originally presumed for first flight in 2026. Most recently 2026 is promoted as a development time period for Pallas-2. The companies main focus this year is the CQ-90 a higher thrust Kerosene/liquid-oxygen engine that plans to have a throttle range from 120 to 30 tonnes of force.

Development The first CQ-90 engine was completed by December 2025 in preparation for testing. On 20 January 2026, the engine was installed on a test stand at Galactic Energy's facility and underwent full-system hot fire test. According to Galactic Energy the engine achieved stable operation with a reported combustion efficiency of approximately 96 percent. The engine is designed to support thrust vector control with a gimbal range of up to six degrees.

Marketplace Galactic Energy is in competition with several other Chinese space rocket startups, being LandSpace, Deep Blue Aerospace, Space Pioneer, I-Space, ExPace, LinkSpace, and OneSpace.

Launches

Ceres-1 and 1S launches

Ceres-2 launches

Pallas-1 launches

References

External links Official website

Illustrations

Worked examples

Example 1 — a first encounter with Galactic Energy

Start with the simplest possible case. Write down what Galactic Energy claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In physics, 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 Galactic Energy 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 Galactic Energy 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 Galactic Energy

In research: Galactic Energy appears in physics 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 Galactic Energy 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: Galactic Energy is common in secondary-school and first-year university syllabi. It links to neighbouring topics Aerospace companies of China, Commercial launch service providers, Commercial spaceflight, so understanding it makes those chapters shorter.
In everyday life: Look for Galactic Energy 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 Galactic Energy in 20 minutes

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

Frequently asked questions

What is Galactic Energy in simple terms?

Why does Galactic Energy matter?

Because it connects several physics 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 Galactic Energy?

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 Galactic Energy.