solar activity articles
How is space weather different from normal weather?
The concept of weather typically conjures images of rain clouds, wind speed indicators, and thermometers measuring condi...
How many habitable planets are there in our solar system?
When we gaze up at the night sky from Earth, the question of how many other worlds in our local neighborhood might suppo...
What is the name of NASA solar probe?
The spacecraft NASA sent to directly study the Sun, plunging closer to its star than any object before it, is named the ...
Does every solar system have a Goldilocks zone?
The simple answer to whether every star system possesses a Goldilocks Zone is complex, leaning toward "no," depending on...
Why does Io display more geological activity than Jupiter's other moons?
The innermost of Jupiter’s four massive Galilean moons, Io, is in a state of perpetual, violent turmoil, unlike its more...
What is the most geologically active of Jupiter's moons?
Jupiter's collection of natural satellites is fascinating, featuring a diverse group of worlds ranging from icy shells t...
Why are some moons geologically active?
The question of why some moons remain geologically vibrant while others are frozen, cratered relics is one of the most c...
Is the solar system in the disk of the Milky Way?
The structure we call home, the Solar System, resides deep within the flattened component of our home galaxy, the Milky ...
Is our Solar System in the Sagittarius Arm?
The question of exactly where our Sun and its planetary entourage reside within the vast expanse of the Milky Way galaxy...
What were the three major components of the solar nebula?
The vast, swirling cloud of gas and dust that birthed our Sun and its attendant planets—the solar nebula—was not a homog...
What does the solar nebula contain?
The solar nebula, that vast, rotating cloud of gas and dust from which our Sun and all the planets coalesced, was a dyna...