In the bigger picture, “down” could be defined as being below the plane of the solar system, which is known as the ecliptic. By convention, we say that above the plane is where the planets are seen to ...
Learn how geosynchronous orbits work and how to calculate the required orbital altitude. This video walks through the physics and equations that link orbital period, gravitational force, and ...
Scientists are getting closer in their search for life beyond earth. But with limited federal funding for the search for extraterrestrial intelligence, supporters are the reason cutting-edge ...
Each year, Earth reaches its closest point to the sun in early January, a moment called perihelion. In 2026, this occurred on January 3 at 12:15 p.m. EST, when Earth was about 91.4 million miles from ...