a light year is a unit of distance it is the distance that light can travel in one year light moves at a velocity of about 300000 kilometers km each second so in one year it can travel about 10 trillion km
Top 10 Skill Sports. Which sports are rated highest for skill - the specific skill set and technique required to be successful? This list is based on the ratings of the factors of success considered most important by visitors to this website. Sailing and weight lifting were considered the sports requiring the most skill. The ratings are still being recorded (this list from Nov 2016), so the list order may change over time.
But despite the year of practice required to become proficient in Polo, many still maintain that golf is the worlds most difficult sport. Golf: The world's hardest sport? Depending on your definition of minimal proficiency, it can take hundreds of hours of practice to be able to enjoy playing golf. My Dad used to say that you must strike at least 10,000 gold balls to be proficient, while other claim that you must hit at least 100,000 golf balls to achieve proficiency as a golfer.