Neptune is not visible to the unaided eye and is the only planet in the Solar System found by mathematical prediction rather than by empirical observation. Unexpected changes in the orbit of Uranus led Alexis Bouvard to deduce…
Messier 70 (M70) is a globular cluster located inside the Teapot asterism in the southern constellation Sagittarius. M70 was discovered by Charles Messier in 1780. It is located 30,000 light-years away in the constellation Sagittarius….
Like the classical planets, Uranus is visible to the naked eye, but it was never recognized as a planet by ancient observers because of its dimness and slow orbit.[1] Viewing Uranus can be done using a…
Messier 69 is a globular star cluster located in the southern constellation Sagittarius. M69 is one of the most metal-rich globular clusters ever observed, which is heavier than hydrogen and helium. The stars in M69…
Neptune is the eighth and farthest-known planet from the Sun. Neptune is the 4th largest planet by diameter in the Solar System, is the third-most-massive planet, and is the densest giant planet. The planet is…
Discovered by Charles Messier in 1780, Messier 68 is a dense collection of stars known as a globular cluster. Mutual gravitational attraction amongst the hundreds of thousands or even millions of stars in such a…
Uranus, the seventh planet of the Solar System, has 27 known moons, most of which are named after characters that appear in, or are mentioned in, the works of William Shakespeare and Alexander Pope.[1] Uranus’ moons are divided into three…
Messier 67, nicknamed the King Cobra Cluster, is an open cluster located in the northern constellation Cancer, the Crab. Estimated ages of M67 place it roughly 3.2 and 5 billion years old, which would make this…
So far there have only been a total of 4 spacecraft to study the planet Saturn. Of the 4 spacecraft to study the planet 3 spacecraft visited as flybys, whereas there has only been 1…
Uranus is the seventh planet from the Sun, and is named after the Greek God of the sky. In Greek Mythology, Uranus was the grandfather of Zeus, otherwise known as Jupiter, and the father of Cronus, otherwise known as…