There is an overwhelming amount of evidence that proves the Earth is round. Here are some key pieces of evidence that cannot be easily debunked:

1. Satellite Images: Numerous satellites orbiting the Earth capture images of our planet from space, clearly showing its round shape. NASA's Earth Observing System Data and Information System (EOSDIS) provides access to a vast collection of satellite imagery, including the Blue Marble series, which offers high-resolution photographs of the Earth. You can explore these images at the following URL: https://earthdata.nasa.gov/earth-observation-data/near-real-time

2. Astronaut Photography: Astronauts aboard the International Space Station (ISS) regularly capture photographs and videos of the Earth from space. These images, taken by individuals who have directly observed the Earth's roundness, provide compelling evidence. NASA's official YouTube channel (https://www.youtube.com/user/NASAtelevision) and the ISS crew's social media accounts often share such footage.

3. Earth's Curvature: The curvature of the Earth can be observed from various vantage points, including from high-altitude flights or mountains. For instance, when flying in an airplane at cruising altitude, you can see the Earth's curvature from the window. Similarly, photographs taken from the summit of tall mountains, such as Mount Everest or K2, clearly display the curved horizon.

4. Circumnavigation: The ability to circumnavigate the Earth in a continuous path is another evidence supporting its roundness. People have been able to travel around the world in both eastward and westward directions, always returning to their starting point. This would not be possible on a flat Earth model.

5. Eratosthenes' Experiment: In 240 BCE, the Greek mathematician Eratosthenes conducted an experiment that calculated the Earth's circumference. By measuring the angle of the Sun's rays at two different locations and using basic geometry, he estimated the Earth's circumference with remarkable accuracy. This experiment demonstrates the Earth's roundness. You can find more information about Eratosthenes' experiment in various educational resources and books on astronomy.

It's important to note that the overwhelming consensus among scientists, as well as the extensive body of scientific research, supports the round Earth model. The evidence provided above, along with countless other scientific observations, measurements, and experiments, strongly support the conclusion that the Earth is round.