Evidence of controversial Planet 9 uncovered in sky

The possibility of additional planets in our solar system has been proposed many times, going under names such as "Planet X," because experts thought the concept of an extra planet in our vicinity

Scientists found a possible new dwarf planet — it

A potential new dwarf planet has been discovered in the outer reaches of the solar system, and its existence poses the greatest challenge yet to the hypothesis that a ninth planet lurks far from

When were each of the planets first discovered and

Only 3 of the 9 planets in our solar system have official "discoverers" and "times of discovery". The reason is simple - all of the other planets are easily seen by the unaided human eye.

When Were the Planets Discovered in Our Solar

The first 5 planets of our sensational solar system are very hard to date, being visible to the naked eye meant they were all identified long ago. Of course, it does depend on their distance and whether you count actual

Pluto, the underdog of the solar system, was

Whether Pluto is officially a planet is the least interesting thing about the runt of the solar system, astronomers will tell you 95 years after the discovery of the fascinating and sometimes controversial world.

Astronomers make groundbreaking discovery of

Initially proposed by California Institute of Technology astronomers Konstantin Batygin and Mike Brown, this new planet was to exist in the outer reaches of our solar system, yet NASA remains firm that it had not

Discovery of the Solar System

When he turned his telescope to the planet Jupiter, he saw four moons orbiting around it, all practically in the same plane, close to the ecliptic (they and the planet all seemed to lie on the same straight line; you can get the same view

Scientists think they''ve discovered a new planet in our

Scientists believe that they''ve discovered a new planet which may be part of the Earth''s solar system. Thanks to advancing technology such as the James Webb Space Telescope, science boffins are

Timeline of discovery of Solar System planets and their moons

Timeline of discovery of Solar System planets and their moons The timeline of discovery of Solar System planets and their natural satellites charts the progress of the discovery of new bodies

NASA: 60 Years and Counting

- Exploring Our Solar System - What are the origins of the planets? How have they changed? Is there life out there? Over the last 60 years, NASA has launched a variety of spacecraft to explore our solar system. The Moon, the closest

How Many Solar Systems Are in Our Galaxy?

How Many Solar Systems Are in Our Galaxy? The Short Answer: Our planetary system is the only one officially called "solar system," but astronomers have discovered more than 3,200 other stars with planets orbiting

Discovery of the Solar System

Nicholaus Copernicus (the Latin version of Koppernigk) was a Polish church official whose passion was astronomy, and who actually performed some observations. By that time, all sorts of corrections had to be made to fit the

Discovery and exploration of the Solar System

OverviewTelescopic observationsPre-telescopeObservations by radarObservations by spacecraftCrewed explorationExploration by countryExploration survey

The invention of the telescope revolutionized astronomy, making it possible to see details about the Sun, Moon, and planets not available to the naked eye. It appeared around 1608 in the Netherlands, and was quickly adopted among European enthusiasts and astronomers to study the skies. Italian polymath Galileo Galilei was an early user and made prolific discoveries