Category: Astronomy

N44 located in a satellite galaxy of the Milky Way

N44 is an emission nebula with superbubble structure located in the Large Magellanic Cloud, a satellite galaxy of the Milky Way in the constellation Dorado.   What is the emission nebula N44? Originally catalogued in Karl Henize’s “Catalogue of H-alpha emission stars [ … ]

Uranus, the first planet discovered with a telescope

Uranus is the seventh planet from the Sun. It has the third-largest planetary radius and fourth-largest planetary mass in the Solar System. It is similar in composition to Neptune, and both have different bulk chemical composition [ … ]

What is a molecular cloud?

A molecular cloud, sometimes called a stellar nursery (if star formation is occurring within), is a type of interstellar cloud, the density and size of which permit the formation of molecules, most commonly molecular hydrogen (H2).   What [ … ]

The Kepler’s Supernova, an object of much study

Supernova 1604, also known as Kepler’s Supernova, or Kepler’s Star, was a supernova of Type Ia that occurred in the Milky Way, in the constellation Ophiuchus.   What is the Kepler’s Supernova? Appearing in 1604, it is the most [ … ]

The Orion Molecular Cloud Complex

The Orion Molecular Cloud Complex (or, simply, the Orion Complex) is a large group of bright nebulae, dark clouds, and young stars in the Orion constellation. The cloud is between 1 500 and 1 600 light-years [ … ]

What is the Lunar Roving Vehicle (LRV)?

The Lunar Roving Vehicle (LRV) or lunar rover is a battery-powered four-wheeled rover used on the Moon in the last three missions of the American Apollo program (15, 16, and 17) during 1971 and 1972. It was popularly known as “moon buggy“, a play [ … ]