A dilapidated observation tower near an abandoned country road
We observe the nature of English fields planted with lavender
The scale of one planet and the observable universe
The glow of jellyfish and the incredible observation of such an event
It is interesting to observe the planet through a telescope
The shining horizon is observed from the city embankment
Observations in nature: gurgling and splashing of water
The stellar atmosphere is the region in which the directly observed radiation is formed[33]