Answer:
Because the Earth has it's own gravity that keeps us put, and we also have the moon.
Explanation:
You get a lot of detailed information. hope this helped :)
Answer:
1. Recollapsing universe
2. Critical universe
3. Coasting universe
Explanation:
Recollapsing universe has dark matter density greater than critical density. While critical universe has its matter density equal to the critical sensity. Coasting universe on the other hand has much smaller matter density compared to critical density.
Note that the critical density is approximately 10^-20 grams/cm3
That’s the answer hope you enjoy
