Noctilucent clouds can be seen on clear midsummer evenings that form on the border between earth and space. So they are the highest.
Cirrus
Notilucent clouds
Notilucent clouds
Cirrus is a High-étage cloud, whereas Cumulus is a Low-étage cloud. So Cirrus.
A cloud. phrase originated in a cloud atlas numbering clouds-number 9 was the highest type in altitude and came to be a euphimism for a blissful state of mind.
Yes.
The cloud you are asking about is called the Cirrus cloud. It nearly always is the highest cloud in the sky and is very white and thin to the naked eye.
cirrocumulus
The cirrus is the lowest type of cloud.
cirrus
a dust cloud
Other clouds