It is quite common to hear references to people who discovered the various planets in the solar system, but it is rare to hear any reference to who discovered the moon. This is because the moon was never actually discovered. The Moon is Older than Life The analysis of moon rocks brought back by various […]
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Many people may not be aware of why the moon is important to us here on Earth. The evidence from the fossil record clearly shows that all life began in the oceans. At some stage, plants and creatures adapted to live on land. From the earliest land life, every living thing on land, from humans
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A regolith is a collective term referring to the blanket of powdery materials that cover the surface of several celestial bodies such as the earth, moon, and asteroids among many others. This blanket has a powdery appearance and texture because it is composed of fine debris such as soil, shattered rock, dust, and other small
A polar ice cap is that region at either poles of a planet or natural satellite that is permanently covered in ice. It is different from an ice cap in that there are no specifications on the size or composition of a body of ice for it to be considered a polar ice cap. Whereas
The Sun, Moon, stars and other celestial objects are beyond the reach of any instrument that can be used by observers here on Earth. Measuring the distance of a celestial object from the Earth might seem to be complicated. But measuring the distance of these remote entities have been simplified by the concept of parallax.
Libration refers to the movement of orbiting bodies in relation to one another. For instance, the movement of the Moon Relative to the Earth is an example of a Libration. One of the common examples of Libration is Lunar libration. The moon consists of a singular hemisphere, which faces the earth. Over time more of
Tidal force is a secondary effect of gravitational force and its most common manifestation, at least on the planet Earth, are tides. Tidal force, by technical definition is the differential force of gravity which arises because the force exerted on one body by another is not constant across the diameter in that the side which
Merriam-Webster dictionary defines gibbous as marked by convexity or swelling, seen with more than half but not the entire apparent disk illuminated or having a hump. It also means characterized by being protuberant. When used on celestial bodies, it is when more than half but less than full of the surface is illuminated.
The Galilean moons/satellites are Jupiter?s four moons discovered by Galileo Galilei. Jupiter has many moons that orbits around it. These four moons are the largest of those moons. And its names were derived from the lovers of Greek god, Zeus. Those are Io, Europa, Ganymede and Callisto. Io is the innermost Galilean moon. It is
Synchronous rotation is an astronomical term that is used to describe a celestial body orbiting another celestial body in a manner such that the orbiting body takes as long to rotate on its axis as it does to make one orbit. Therefore, it always keeps the same hemisphere pointed at the celestial body it orbits
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