Space science
NASA Captures 'Ghost Light' That's Catching Us
The ghost of light is like a thick, dim shell that surrounds the entire Solar System, invisible to older telescopes but looming large in Hubble's divine eye.
The Solar System
Browse ScienceInfo articles and explainers related to The Solar System.
Topic archive
Articles about The Solar System
148 published items.
Discover science
Which planet is the smallest in the Solar System?
It is the closest planet to the Solar System, with a diameter just over one-third that of Earth.
Space science
NASA releases never-before-seen images of Uranus
New images reveal many mysteries of Uranus, one of the most distant planets in the Solar System.
Space science
'Planet 9' left its mark on Earth before disappearing?
A mysterious planet may have approached the early Sun at a distance slightly farther than Uranus and rearranged everything in the star system.
Space science
The Truth About the Solar System's 3rd Habitable Planet
The Solar System actually has three planets in its orbit.
Space science
NASA spacecraft lost in strange space at the edge of the Solar System
What NASA's New Horizons spacecraft encountered may hint at a hidden structure in the coldest, darkest reaches of the Solar System.
Discover science
Is the Sun really common in the Milky Way?
99.8% of the mass in the Solar System is occupied by the Sun, as the only star, the Sun firmly holds a dominant position in the entire stellar system.
Space science
13.8 billion year old 'ghost' pierces the Solar System
Objects born in the first second after the Big Bang could have just whizzed past and shaken planets in the Solar System.
Space science
Encounter Jupiter's elusive 5th moon
NASA's Juno spacecraft has discovered Jupiter's elusive fifth moon passing through the giant planet's Great Red Spot.
Space science
Revealing the existence of the 9th planet in our Solar System
We know that at least eight planets exist in the Solar System, but there may still be other objects. Recently scientists have revealed more evidence about the 9th planet.
Space science
The NASA ship encountered a strange structure surrounding the Solar System
At what seemed to be the end of the solar system, the NASA New Horizons spacecraft discovered signs of a
Space science
Where is the end of the Solar System?
Depending on the definition, the border of the solar system can be the Kuiper Belt, the corona, or the Oort Cloud.
Space science
When do all eight planets in the Solar System align?
Although they sometimes appear close together and relatively straight when viewed from Earth, the planets are actually very far apart in space.
Space science
The interesting 'planetary parade' takes place in July
The parade of the planets will take place around 2 weeks of July but cannot be completely observed.
Space science
NASA found the ideal place for life in the Solar System
A new study by NASA scientists has found a place within the Solar System capable of supporting living things.