The rille has been the subject of numerous transient lunar phenomena observations.

In conditions of poor seeing this feature can appear to vanish from sight (see also transient lunar phenomenon).

A meteorite hitting the Moon is normally classified as a transient lunar phenomenon.

In the past this crater has not been noted as a site for observing transient lunar phenomena.

(This is a class of events now called a transient lunar phenomenon.)

This crater has been noted for transient lunar phenomena.

This crater has been noted in the past as a site of possible transient lunar phenomena.

Lichtenberg has been noted in the past for occurrences of transient lunar phenomenon.

In the past this crater has been reported as the site of some transient lunar phenomenon.

This transient lunar phenomenon was not confirmed by other observers.