Respuesta :

kimkatie242

Answer:

all existing matter and space considered as a whole; the cosmos. The universe is believed to be at least 10 billion light years in diameter and contains a vast number of galaxies; it has been expanding since its creation in the Big Bang about 13 billion years ago.

Step-by-step explanation:

gracebricknell01

Answer:

The universe is the large grouping of many galaxies, planets and other space-related objects. The universe is continuously expanding.