Physics and Astronomy Online

Welcome to - the physics and astronomy online portal! We feature latest physics news and editorials, extensive science reference and constants section, education section where you can ask our experts any physics or astronomy related question. Also, don't miss our fun page and our online science store.

ScienceIQ Facts

Physics & Astronomy Facts

The coronal mass ejections, or CMEs, leaving the Sun and traveling through the solar system.
Blast Wave Blows Through the Solar System

Although the Sun provides the means for life on Earth, it has a dark side - the Sun regularly sends massive solar explosions of radiative plasma with the intensity of a billion megaton bombs hurtling ...
Our Sun emits light at all the different wavelengths in the electromagnetic spectrum, but it is ultraviolet waves that are responsible for causing our sunburns. This is an image of the Sun taken at an Extreme Ultraviolet wavelength.
Ultraviolet Light

Ultraviolet light is a form of radiation which is not visible to the human eye. It's in an invisible part of the 'electromagnetic spectrum'. Radiated energy, or radiation, is given off by many objects ...
The white lines represent the solar wind; the purple line is the bow shock produced by the interaction of the solar wind with the Earth
X-ray Emissions From Comets

The X-ray emission from comets is produced by high-energy particles, but the high-energy particles come not from the comet but from the sun. Matter is continually evaporating from the solar corona in ...

Science Sidebar

Science Fair Projects Tips
Keeping kids interested in science
Cool summer science projects