The passage of a celestial body across an observer’s meridian; also the passage of a celestial body across the disk of a larger one.
No Result
View All Result
Recent Posts
- Sidus Space sets terms for $9.8 million stock sale
- UC3M research team advances astronaut health protection in microgravity
- China advances lunar program with Long March 10 ignition test
- Airbus, Leonardo and Thales reported moving towards European space firm
- SSTL and IHI agree to develop Japanese ISR constellation