Space feed
1B tons
A teaspoon-sized volume at neutron-star densities can have a mass of roughly a billion tons. This is a density comparison, not a suggestion that stable spoonfuls could be brought to Earth.
243 days
Venus takes about 243 Earth days to rotate relative to the stars, longer than its 225-day year. Its solar day, measured from one sunrise to the next, is shorter: about 117 Earth days.
1969
Apollo tracks persist because the Moon lacks rain and wind, but millions of years is not a secure lifetime estimate. NASA reported newer evidence suggesting the tracks may disappear in tens of thousands of years.