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In the ocean there are waves and tides that disrupt sea lea
www.abc.net.au...
It may be as iconic as meat pies, lawnmowers and lamingtons, but the Southern Cross is not uniquely Australian.
In fact, the Southern Cross appears on the flag of at least four other nations in the Southern Hemisphere.
And it can be seen in some parts of the Northern Hemisphere as well, says astronomer Fred Watson from the Anglo-Australian telescope.
"A lot of people think you can't see the Southern Cross in the Northern Hemisphere, but that's not actually true," says Watson.
If you're north of the equator but south of a latitude of about 25 degrees, which is around say Hawaii and parts of northern Africa, you can still see the Southern Cross.
"But unlike us in the Southern Hemisphere, you won't see it all year round"
"If you were in Hawaii and looking south in May/June, you would see the cross, standing upright and pointing towards the South Pole," says Watson.
So why can't you see the Southern Cross any further north, or all year round for that matter?
The curvature of the Earth gets in the way.
That's why you have to do the level experiments on frozen lakes because there's no waves or tides. The frozen lake allows light to be visible along distances that should be hidden by a physical curve.
The Rainy Lake Experiment
Saturday, July 20, 2019 - 00:50 | Author: wabis | Topics: FlatEarth, Knowlegde, Science, Experiment
walter.bislins.ch...
Behind the Curve' Ending: Flat Earthers Disprove Themselves With Own Experiments in Netflix Documentary
BY ANDREW WHALEN ON 2/25/19 AT 5:04 PM EST
www.newsweek.com...
Campanella devises an experiment involving three posts of the same height and a high-powered laser. The idea is to set up three measuring posts over a nearly 4 mile length of equal elevation. Once the laser is activated at the first post, its height can be measured at the other two. If the laser is at eight feet on the first post, then five feet at the second, then it indicates the measuring posts are set upon the Earth's curvature.
In his first attempt, Campanella's laser light spread out too much over the distance, making an accurate measurement impossible. But at the very end of Behind the Curve, Campanella comes up with a similar experiment, this time involving a light instead of a laser. With two holes cut into styrofoam sheets at the same height, Campanella hopes to demonstrate that a light shone through the first hole will appear on a camera behind the second hole, indicating that a light, set at the same height as the holes, travelled straight across the surface of the Flat Earth. But if the light needs to be raised to a different height than the holes, it would indicate a curvature, invalidating the Flat Earth.
Campanella watches when the light is activated at the same height as the holes, but the light can't be seen on the camera screen. "Lift up your light, way above your head," Campanella says. With the compensation made for the curvature of the Earth, the light immediately appears on the camera. "Interesting," Campanella says. "That's interesting." The documentary ends.
How does a sun that is always above the flat earth delusion strongly illuminate the bottoms of clouds at sunset in my spherical earth reality?
Pay attention to the part about celestrial navigation
Why the Earth is actually 100% flat
Rapper B.o.B. has been criticised for publicly insisting the Earth is flat. You may think his claims are ludicrous, but the truth is: they don’t go far enough
According to flat-earther Jay Decasby, who is in development for a reality television series about the subject, "All we have to do to shut this debate down once and for all is get the distance of the coast of Antarctica. It had been done by early sailors (before the UN was established and set up its Antarctic Treaty which essentially made it illegal for independent and private exploration of Antarctica)