Messier Catalogue – Definition & Detailed Explanation – Astronomical History & Mythology Glossary

I. What is the Messier Catalogue? The Messier Catalogue is a list of astronomical objects compiled by French astronomer Charles Messier in the 18th century. It contains a total of 110 objects, including galaxies, nebulae, and star clusters. The purpose of the catalogue was to help astronomers differentiate between permanent celestial objects and transient phenomena … Read more

Stellar Nucleosynthesis – Definition & Detailed Explanation – Astrochemistry Glossary

I. What is Stellar Nucleosynthesis? Stellar nucleosynthesis is the process by which elements are formed within stars through nuclear reactions. It is responsible for the creation of most of the elements in the universe, including those essential for life on Earth. This process occurs in the cores of stars, where extreme temperatures and pressures allow … Read more

Azimuth – Definition & Detailed Explanation – Astronomical Units & Measurements Glossary

I. What is Azimuth? Azimuth is a term used in astronomy and navigation to describe the direction of a celestial object or point on the horizon, measured clockwise from true north. It is an angular measurement that helps determine the position of an object in the sky or on the Earth’s surface. Azimuth is often … Read more

Pulsed Plasma Thruster – Definition & Detailed Explanation – Rocketry & Propulsion Glossary

I. What is a Pulsed Plasma Thruster? A Pulsed Plasma Thruster (PPT) is a type of electric propulsion system that generates thrust by accelerating a high-temperature plasma to produce thrust. This technology is commonly used in spacecraft propulsion systems due to its efficiency and simplicity. II. How does a Pulsed Plasma Thruster work? A Pulsed … Read more

Mount Wilson Observatory – Definition & Detailed Explanation – Telescopes & Observatories Glossary

What is Mount Wilson Observatory? Mount Wilson Observatory is a world-renowned astronomical research facility located in the San Gabriel Mountains near Los Angeles, California. It was founded in 1904 by George Ellery Hale, a prominent American astronomer, and has since become one of the most important observatories in the world. The observatory is situated at … Read more