Sun
Videos
The Sun is the star located at the centre of the Solar System. It is a massive sphere of hot plasma, heated to incandescence by nuclear fusion reactions in its core, radiating the energy from its surf
The Sun as viewed through a clear solar filter
The photosphere is structured by convection cells referred to as granules.
The Sun's transition region taken by Hinode's Solar Optical Telescope
During a total solar eclipse the solar corona can be seen with the naked eye.
Earth
Videos
Earth is the third planet from the Sun and the only astronomical object known to harbor life. This is made possible by Earth being an ocean world, the only one in the Solar System sustaining liquid su
Sun
…energy from its surface mainly as visible light and infrared radiation with 10% at ultraviolet energies. It is the main source of energy for life on Earth. The Sun has been an object of veneration in many cultures and a central subject of astronomical research since antiquity. The Sun orbits the Galactic…
Earth as seen from Meteosat-12 in 2025, during the March equinox
A depiction of the early Solar System's protoplanetary disk from which Earth and other Solar System bodies were formed
Pale orange dot, an impression of Early Earth, featuring its tinted orange methane-rich early atmosphere
A conception of the scorched Earth after the Sun has entered the red giant phase, about 5–7 billion years in the future