Stargazers Unite
brightness_2Ask and Learn About the Cosmos
The lunar terminator is the line separating the illuminated and unilluminated portions of the Moon. Observing the lunar terminator can provide... Read more
Galaxies come in different shapes and sizes, but they are generally classified into three main types: elliptical, spiral, and irregular. Irregular... Read more
Galaxies are massive systems of stars, gas, and dark matter that are held together by gravity. They come in various shapes and sizes, and are... Read more
The Milky Way is a barred spiral galaxy that is part of the Local Group, a collection of more than 50 galaxies that are gravitationally bound to each... Read more
Black holes and neutron stars are both astronomical objects that are formed from the collapse of massive stars, but they have some fundamental... Read more
The Black Eye Galaxy, also known as Messier 64, is a striking and easily recognizable galaxy located in the constellation Coma Berenices. Observing... Read more
The Great Globular Cluster in Hercules is one of the most stunning celestial objects visible from Earth. To observe it, you will need a telescope... Read more
A waxing moon is the period when the moon is moving from a new moon towards a full moon. During this phase, the visible portion of the moon... Read more
The largest type of star by diameter is the red supergiant. These stars are massive and have a diameter of over 1,000 times that of the Sun. One... Read more
The Hercules cluster, also known as M13, is a beautiful and popular object for amateur astronomers to observe. It is located in the constellation... Read more