Precession is a change in the orientation of the rotational axis of a rotating body. The Earth wobbles on its rotational axis as it...

This is the diffuse luminance of the night sky. It involves any scattered light seen at night, including natural ones like starlight,...

The ecliptic is the orbital plane of the Earth around the Sun or, it is the circular path on the celestial sphere that the Sun appears to...

Asteroids are small, rocky objects that orbit the Sun. They are much smaller than planets. Although most of them reside in the main...

Fog is formed when the earth's surface, or near to it, becomes saturated with water vapour by any of 3 processes: • cooling • addition of...

Recently, it has been quite hard to use the telescopes, as leaving them out for a while as the temperature drops causes dew to form over...

The conditions for observing vary, depending on the time of year and your location (latitude) on Earth. In summer, twilight may last...

The Northern Lights are actually caused by activity on the surface of the Sun. Solar storms on the Sun’s surface emit clouds of...

On the 27th of February 2023, there was a high alert for auroras, meaning the Northern Lights were likely to be visible. Because this is...