that there arises a series of complications due to variations in the amount and effect of refraction, or in that of the plumb-line deflection, which have been by no means exhaustively investigated ...

The first day of spring 2025 arrives on March 20 at 10:47 UTC, bringing astronomical significance, cultural traditions, and ...

In summary, equilux serves as both a scientific landmark and a prediction of the seasonal shift toward ...

We demonstrate the importance of atmospheric differential refraction, present calculations to predict the effect of atmospheric differential refraction, and finally discuss the implications of ...

Instead, it bends as it passes through Earth’s atmosphere––a phenomenon called refraction. This bending effect makes the sun appear slightly above the horizon even when it's technically ...

Chicagohenge is a stunning biannual event that happens during the spring and autumn equinoxes, when the sun aligns perfectly with Chicago’s street grid.

As the world transitions between seasons, the equinox stands out as a remarkable astronomical occurrence that brings both change and balance to our environment. In this article, we'll explore the ...

The atmospheres of exoplanets are our observable window on the physical and chemical properties of these objects. In the last ten years, the study of exoplanetary atmospheres has become one of the ...