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In 1927, a little-known Belgian priest named Georges Lemaître was the first to propose an expanding universe, based on Einstein’s theory of general relativity. Two years later, Edwin Hubble published a scatterplot of recessional velocity vs. galactic distance, shown above in the Velocity-Distance Relationship among Extra-Galactic Nebulae. This was the first observational evidence to support the hypothesis that grew into the Big Bang theory.

Describe how the evidence you have gathered in this Gizmo demonstrates that the universe is expanding and helps to confirm the Big Bang theory.

Respuesta :

One of the pieces of evidence of the big bang theory where that celestial objects are scattered in the universe because of an explosion that supports the idea of the big bang.

What is the big bang?

The big bang is how astronomers explain the way the universe began.

The evidence that I've gathered from the widget that demonstrates that the universe is expanding is that galaxies and other celestial objects are moving away from each other, which is also one of the evidence of the big bang theory where the celestial objects are scattered in the universe because of an explosion that supports the idea of the big bang.

Learn more about the big bang here:

https://brainly.com/question/18297161

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