eclipse translation in English-Persian dictionary. Especially, an alignment whereby a planetary object (for example, the Moon) comes between the Sun and another planetary object (for example, the Earth), resulting in a shadow being cast by the middle planetary object onto the other planetary object.
eon n. long period of time, age The first eon in the Earth's history is called the Archaean. It lasted until 2.5 billion years ago. The oldest rocks found on Earth are about 4.0 billion years old.2 The timespan between the age of those The first eon in the Earth's history is called the Archaean.