Flat Earth NOT - Kepler’s second law of orbital motion and Einstein’s General Relativity (space/time/gravity) still holds true
Kepler’s second law of orbital motion and Einstein’s General Relativity (space/time/gravity) still holds true for stars extremely close to our Milky Way Galaxy’s central Black Hole (mass about 4-million Suns)
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Kepler’s laws of planetary motion
Kepler’s first law: The orbital paths of the planets are elliptical, with the Sun at one focus.
Kepler’s second law: An imaginary line connecting the Sun to any planet sweeps out equal areas of an ellipse in equal intervals of time. Thus, the speed of the planet increases as it nears the central mass and decreases as it recedes from the central mass.
Kepler’s second law can also be used to describe the motion of stars around black holes.
The study of the motion of the nearby stars can be used to determine the mass of the black hole.
A good example is the determination of the mass of the black hole at the center of our galaxy. Based on the motion of the star S2 we have determined that the mass of the black hole in 4,000,000 times the mass of the Sun.
Kepler’s third law: The square of the planet’s orbital period is proportional to the cube of its semi-major axis.
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Update March 2019
Chris Hadfield 18-minute uncut video from the ISS talking to grade 10 class
Zero Gravity on the ISS (International Space Station) proven once again.
https://www.youtube.com/watch?v=zUIa685ETgo
"Aboard the International Space Station, Expedition 35 Commander Chris Hadfield of the Canadian Space Agency fielded questions about life and research on the orbital laboratory during an in-flight educational event April 16 2013, with students gathered at Lockview High School in Fall River, Nova Scotia. Hadfield, who is the first Canadian to command the station, is scheduled to return to Earth in mid-May after a five-month mission."
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On a zero gravity plane flight, a single dive lasts only for about 30-seconds. So that video above is a genuine ISS demonstration.
The following is one company that will give you a zero gravity experience (we have no affiliation with them).
HOW LONG DOES THE FLIGHT LAST? HOW LONG WILL I FEEL WEIGHTLESS?
The flight portion of a ZERO-G Experience® lasts approximately 90 to 100 minutes. During the flight 15 parabolas are performed each providing about 30 seconds of reduced gravity or weightlessness. By the end of the flight you will log about 6-7 minutes of reduced gravity - that's about as much zero-gravity time as Alan Shepard experienced on America's first human spaceflight.
http://www.gozerog.com/index.cfm
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Published on – September 13, 2018
Discussion at - https://www.youtube.com/channel/UC7ipUKERU0tzYFxALJBli4A/discussion
Our home page all articles - http://flatearthlunacy.com
kind regards, JonahTheScientist