Subtitles & vocabulary
Why this observatory fires lasers at satellites
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Jeff Chiao posted on 2022/03/19Ever wondered how we track satellites with incredible precision? This video dives into the fascinating world of Satellite Laser Ranging, showing you how a UK observatory uses lasers to measure satellite orbits and pick up advanced vocabulary along the way! You'll learn about ground stations, laser pulses, and even how atmospheric delay affects these measurements.
Video vocabulary
specific
US /spɪˈsɪfɪk/
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UK /spəˈsɪfɪk/
- Adjective
- Precise; particular; just about that thing
- Concerning one particular thing or kind of thing
A2
More constant
US /ˈkɑnstənt/
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UK /'kɒnstənt/
- Adjective
- Happening frequently or without pause
- Remaining the same over time or not changing.
- Noun
- Thing that happens always or at a regular rate
- A physical quantity that is believed to have a fixed value and is used in calculations.
A2TOEIC
More genuine
US /ˈdʒɛnjuɪn/
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UK /ˈdʒenjuɪn/
- Adjective
- Being real, actual, and not false or artificial
- Being sincere in your actions or character
A2TOEIC
More description
US /dɪˈskrɪpʃən/
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UK /dɪˈskrɪpʃn/
- Noun
- Explanation of what something is like, looks like
- The type or nature of someone or something.
A2TOEIC
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