Outer Space The Vastness Beyond Earth
Outer space is the region beyond Earth’s atmosphere. It is a vast and mostly empty expanse, filled with stars, planets,…
Category: Solar Structure
Cosmos The Universe and Its Contents
The cosmos is the entire universe, including all matter, energy, space, and time. It is a vast and complex place,…
Universe
The universe is the totality of all existing space, time, matter, and energy. It is a vast and complex place,…
Solar Observatories Watching the Sun
Solar observatories are specialized facilities designed to study the Sun. These observatories use a variety of telescopes and instruments to…
Radiation Storms A Cosmic Threat
Radiation storms are events in which high levels of radiation are emitted from the Sun and reach Earth. These storms…
Termination shock
The termination shock is the boundary between the heliosphere and the interstellar medium. It is the region where the solar…
Interplanetary magnetic field (IMF)
The Interplanetary Magnetic Field (IMF) is a complex and dynamic magnetic field that permeates the space between the Sun and…
Solar Wind A Constant Stream of Particles
The solar wind is a continuous stream of charged particles, primarily protons and electrons, emitted from the Sun. It travels…
Solar Cycle The Sun’s Rhythmic Pattern
The solar cycle is the approximately 11-year periodic change in the Sun’s activity. During this cycle, the number of sunspots…
Solar Activity The Sun’s Dynamic Nature
Solar activity refers to the changes in the Sun’s energy output and magnetic field. These changes can have significant impacts…
The Sun Our Life-Giving Star
The Sun is a massive, luminous sphere of plasma primarily composed of hydrogen and helium. It is the central star…
Dark Energy The Mysterious Force Driving the Universe
Dark energy is a mysterious force that is causing the universe to expand at an accelerating rate. It makes up…