Question

question 17
2 pts
based on the best scientific data and models, astronomers now think that the universe is:
flat, expanding, but accelerating
open, expanding, but decelerating
flat, expanding, and decelerating
open, expanding, and accelerating
closed, expanding, and accelerating.

Explanation:

Modern astronomical data (e.g., from cosmic microwave background radiation and supernova observations) shows the Universe is flat (spatial geometry), expanding, and its expansion is accelerating due to dark energy.

Answer:

flat, expanding, but accelerating