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Learning Zone / Study Tools / Everyday English

Explore the cosmos of language with 6 stellar space-related phrases

These space-themed idioms and vocabulary are inspired by Hong Kong’s first astronaut, Lai Ka-ying
byYoung Post Readers
Published: 6:00am, 04 Jun 2026
Length: 318 words
Explore the cosmos of language with 6 stellar space-related phrases

Discover six stellar space-themed idioms and vocabulary to elevate your English, inspired by Hong Kong’s first astronaut, Lai Ka-ying, Photo: Reuters

Hong Kong is officially heading into orbit. The news that Hong Kong’s first astronaut, Lai Ka-ying, has journeyed to the Tiangong space station has filled the entire city with pride and a sense of wonder.

Whether you dream of living on a space station or just want to improve your English writing skills, this week’s guide is ready for lift-off. Let’s explore some stellar words and phrases inspired by space exploration.

1. Pioneer

Meaning: a person who is among the first to explore a new country or area of knowledge

Example: Hong Kong’s first astronaut is a true pioneer who will inspire a whole new generation of young girls to study science.

2. Milestone

Meaning: a very important event or achievement in the development of something

Example: Selecting a female astronaut from Hong Kong marks a massive milestone for the city’s aerospace ambitions.

3. Microgravity

Meaning: a condition in space where people or objects appear to be weightless, often called zero gravity

Example: Eating a bowl of noodles in microgravity is much messier than it is back on Earth.

4. It’s not rocket science

Meaning: used to say that something is not difficult to do or understand

Example: Just read the instructions on the maths homework – it's not rocket science.

5. Once in a blue moon

Meaning: something that happens very rarely

Example: My brother cleans his bedroom once in a blue moon, so my mum was shocked when he actually vacuumed yesterday.

6. Reach for the stars

Meaning: to aim for something that is very difficult to achieve; to have high ambitions

Example: Even though the training is hard, she always told her students to reach for the stars.

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