2.3 Cosmic Deceleration - World Science U

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2.3 Cosmic Deceleration

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Cosmic Deceleration Exercise

Question 1 of 1

1. Question
What was Einstein's cosmological constant?
- 1. The deceleration rate of the universe's expansion
- 2. The repulsive gravity of empty space
- 3. The weight of all objects in the universe
- 4. The average temperature of the universe
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