Short difficult clever riddles

I'm a Riddle.

111111111 Explanation: It's a maths magical square root series as : Square root of number 121 is 11 Square root of number 12321 is 111 Square root of number 1234321 is 1111 Square root of number 123454321 is 11111 Square root of number 12345654321 is 111111 Square root of number 1234567654321 is 1111111 Square root of number 123456787654321 is 11111111 Square root of number 12345678987654321 is 111111111 (answer)

You draw a shorter line next to it, and it becomes the longer line.

Asteroids.

At that moment, the time and day could be written as 12:34, 5/6/78.

6 - the number of letters in the month august; (January has 7 letters, February has 8 etc.)

Advice.

Mount Chimborazo, in Educator. Everest is the highest above level sea level, but because of the way the Earth bulges at the center, Chimborazo (6010 meters, or 20 600 feet above sea level) is the highest when measured from the center of the planet. To put it another way, it is the furthest out into space.

Half way. If you go in any further, you’d be running OUT of the woods.

Juice the oranges and serve the equal quantity of orange juice.