What If the Moon Didn't Exist
Encyclopedia
What if the Moon Didn’t Exist is a collection of speculative articles about different versions of Earth
. They were originally published in Astronomy magazine
. The scenarios are:
Earth
Earth is the third planet from the Sun, and the densest and fifth-largest of the eight planets in the Solar System. It is also the largest of the Solar System's four terrestrial planets...
. They were originally published in Astronomy magazine
Astronomy (magazine)
Astronomy is a monthly American magazine about astronomy. Targeting amateur astronomers for its readers, it contains columns on sky viewing, reader-submitted astrophotographs, and articles on astronomy and astrophysics that are readable by nonscientists....
. The scenarios are:
- Solon – Earth without a Moon
- Lunholm – Moon closer to Earth
- Petiel – Earth with less mass
- Urania – Earth’s axis tilted like that of UranusUranusUranus 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 named after the ancient Greek deity of the sky Uranus , the father of Cronus and grandfather of Zeus...
- Granstar – More massive sun
- Antar – Effects if a supernovaSupernovaA supernova is a stellar explosion that is more energetic than a nova. It is pronounced with the plural supernovae or supernovas. Supernovae are extremely luminous and cause a burst of radiation that often briefly outshines an entire galaxy, before fading from view over several weeks or months...
exploded near Earth - Cerberon – Star passing through the solar system
- Diablo – Black HoleBlack holeA black hole is a region of spacetime from which nothing, not even light, can escape. The theory of general relativity predicts that a sufficiently compact mass will deform spacetime to form a black hole. Around a black hole there is a mathematically defined surface called an event horizon that...
passing through the Earth - Seeing the world via infrared
- Effects of ozone layer depletion
External links
- What If the Moon Didn't Exist? Neil F. Comins, published by the Astronomical Society of the PacificAstronomical Society of the PacificThe Astronomical Society of the Pacific is a scientific and educational organization, founded in San Francisco on February 7, 1889. Its name derives from its origins on the Pacific Coast, but today it has members all over the country and the world...