Web28 nov. 2024 · The astronomical horizon is the imaginary horizontal plane always at a 90-degree angle from the observer's zenith (the point directly above the observer). Astronomical horizons are great circles that … Web13 aug. 2024 · For a six-foot tall person, the horizon is a little more than 3 miles (5 km) away. What is the distance to the horizon at sea level? For an observer standing on a …
How far is the horizon at 10 feet above sea level? - Daily Justnow
Web7 nov. 2024 · If you are blessed with 20/20 vision, (by which ophthalmologists mean you can see from 20 feet something you should see from that distance), when you are standing at sea level, an object needs to be over 4.4 feet square to be seen over the horizon. Web16 mei 2024 · So the distance to horizon, based on this, is 2.12105209844 miles. If you’re standing up and you’re about 6 feet tall, let’s say your eyes are sitting at about 5.5 feet. … rman restore controlfile from file
Distance to horizon at sea level - Google Groups
Web239,000 miles: The moon is almost 239,000 miles away, yet it’s large enough (and reflects enough sunlight) that we can see the details in its surface. 93 million miles: Earth’s orbit is 93 million miles from the sun. 746 million miles: Saturn is the most distant planet we can see with the naked eye. Web12 jan. 2024 · So here’s the math. For a 170cm tall observer standing on the ground, the horizon is at a distance of 4.7 kilometres. The 2 metres tall person standing in the same … Web15 jan. 2009 · At a cruising altitude of 39,000 feet (12,000 meters; typical for a cross-country flight) the horizon is 391 km (235 miles) away! That’s a surprisingly long way; in general that means you could be looking across one or more states in the US. smud heap program