Just a few days ago was the vernal, or spring equinox. On that day in March, of course, the night is exactly as long as the day. Six months from now is the autumn equinox, when, once again, the night ...

A parallel can be drawn between a sine curve and the variation in daylight hours through the year, which helps define our planet’s four broad seasons Summer solstice is when the number of daylight ...

It’s an eternal question for generations of math students: How am I going to use this in the real world? At Bates, Meredith Greer answers that question with an entire course, “Mathematics Across the ...

This is a preview. Log in through your library . Abstract We have used a nonlinear least-squares method to determine the component periods of the δ Scuti star 44 Tau. The sum of two sine curves, with ...