Like most vegetables, cucumbers are tender and tastiest when harvested young before their seeds are fully developed. Slicing cucumber varieties are generally ready for harvest when about six to eight inches long; pickling types at three to five inches.
Headlights on âupperâ or âhighâ beam let you see about 350-400 feet ahead. 400 feet is your approximately stopping distance when driving at 50-55 mph. That is about the length of a city block. In other words, high beams let you see twice as far as low beams.
Weâre able to see more distant objects if theyâre taller, like buildings or mountains, or when weâre higher up in the air. If you get to an altitude of 20 meters, the horizon stretches out to about 11 km. But we can see objects in space which are even more distant with the naked eye. The Moon is 385,000 km away and the Sun is a whopping 150 million km. Visible all the way down here on Earth, the most distant object in the solar system we can see, without a telescope, is Saturn at 1.5 billion km away. In the very darkest conditions, the human eye can see stars at magnitude 6.5 or greater. Which works about to about 9,000 individual stars. Sirius, the brightest star in the sky, is 8.6 light years. The most distant bright star, Deneb, is about 1500 light years away from Earth.