What is the mass of the Earth?
• How quickly does the Earth move through space? • What is the equatorial speed of the Earth? • What is the distance from the Sun to the Earth for each month of the year? • If I wanted to face the direction the Earth is moving in its orbit, where in the sky should I look? • How do you actually prove the Earth is not at the center of the solar system? • How dense is the atmosphere between 100 km and geosynch orbit at 36,000 km? • Are there places on the WWW that give aurora forecasts? • When the Earth’s magnetic field reverses, does its rotation also switch? • What is the average density of solar wind particles that produce the aurora? • Are auroras seen on other planets? • Can you hear an aurora? • How often are aurorae seen in the continental United States? • What are some of the early theories about auroras? • How long have auroras been observed? • Is there a greater risk for solar radiation when taking the polar route by jet plane? • Is plasma present during an aurora? • Is it true
