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Experience some of the most astonishingly beautiful images captured by astronauts aboard the International Space Station. The gentle curvature of mother Eart...
- 3 min
- 226
- Sherri Reynolds
- Moriel Schottlender
- Check the shadows on the moon. Now that humanity knows quite positively that the moon is not a piece of cheese or a playful god, the phenomena that accompany it (from its monthly cycles to lunar eclipses) are well-explained.
- Follow ships on the horizon. If you’ve been next to a port lately, or just strolled down a beach and stared off vacantly into the horizon, you might have noticed a very interesting phenomenon: Approaching ships do not just “appear” out of the horizon like they should have if the world was flat, but rather seem to emerge from beneath the sea.
- Look up at the stars. This observation was originally made by Aristotle (384-322 BCE), who declared the Earth was round judging from the different constellations one sees while moving away from the equator.
- Conduct a stick test. If you stick a stick in the (sticky) ground, it will produce a shadow. The shadow moves as time passes (which is the principle for ancient Shadow Clocks).
Jan 6, 2017 · Physics students from the University of Leicester have captured breathtaking images of the Earth's stratosphere using a high altitude weather balloon. The unmanned balloon and sensor payload ...
- 6 min
- University of Leicester
Dec 21, 2020 · “The first photograph ever made showing laterally the curvature of the Earth,” read the original caption in the May 1931 issue of The National Geographic Magazine. The photograph, taken 21,000 feet above Villa Mercedes, Argentina, showed the Andes Mountains 287 miles away and well below the expected
Dive into the fascinating world of Albert Einstein's revolutionary theory of relativity and its profound impact on our understanding of gravity. This video e...
Showing a picture of the earth from space seems like the simplest way to prove that the earth is round, but first of all you would need to convince this tribesman that this photograph is taken from far up in the sky. This can be done by taking a video of the earth from takeoff to orbiting the earth.
- Simplest, you say? There are two that strike me as being simple to demonstrate. Luckily someone on the internet has already spent some time to help...
- The shadow of the Earth on the Moon during an eclipse and the way masts of ships are still visible when the hulls are out of sight are the classica...
- Another way is the triple-right triangle : You move in a straight line for a long enough distance Turn right 90° degrees, walk in that same directi...
- If the person in question is from a temperate latitude, take them to the tropics to feel the heat of the noon sun, preferably trapped out on a sail...
- Sitting for a while by the seashore ought to make it clear the Earth isn't flat, even if you don't happen to see a ship go over the horizon. The ed...
- Besides the going back in time option, you could just show your "numbskull cousin" a picture of the Earth taken from the moon like the one below.
- You can build a simple pendulum and observe how it rotates as the day progresses. You can then put a pendulum on a stick or something that you can...
- The occurrence of noon (i.e. meridian passage of true Sun) isn't simultaneous for two observers situated along an east-west line. Hmmm...okay perha...
- Classically, the gravitational force experienced by a mass $m$ above the Earth is given by the familiar, $$F=G\frac{Mm}{r^2}$$ where $M$ is the mas...
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Dec 29, 2020 · Curvature of the Earth - Bonneville Salt Flats Part 2b (Top of Wendover BLVD) Viewer location: 40.7448043, -114.1044153 GNSS survey conducted over Route 80 by Veteran Geodetic Surveyor Jesse ...
