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