Final answer:
The approximate age of Earth, the Moon, the solar system, and the universe.
Step-by-step explanation:
The approximate age of:
- Earth: The age of Earth is estimated to be about 4.5 billion years old.
- Earth's Moon: The Moon is believed to be around 4.5 billion years old, similar to Earth's age.
- Our solar system: The formation of our solar system is estimated to have occurred about 4.6 billion years ago.
- The universe: The age of the universe is currently estimated to be about 13.8 billion years old based on observations from the cosmic microwave background radiation.
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