The center of gravity of the Earth-Moon system actually lies within the Earth’s body; indeed, it is about 42 km away from the center of the earth in the direction of the moon and 1700 km below the surface of the earth. Discover how Earth’s center of gravity is shaped by its oblate spheroid form, … Read more
Our solar system is made up of the Sun and everything that orbits around the Sun due to its gravity, including planets (Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune), dwarf planets (Pluto, Ceres, Haumea, Makemake, and Eris), dozens of moons, and numerous smaller objects such as asteroids, comets, and meteoroids. Our Solar System gives us … Read more
The outer space is the region 100 kilometers perpendicular to the surface of the Earth, in which breathing will be very difficult because of the lack of oxygen where the Earth’s atmosphere has almost disappeared. Space is not completely empty, but rather it is filled with particles scattered here and there. The space probes pass … Read more