This is an X-ray image of the Sun taken with the Soft X-Ray Telescope (SXT) on the orbiting Yohkoh satellite. This particular image was taken on November 23, 1999.
Click on image for full size
ISAS/Yohkoh team/Lockheed Palo Alto Research Laboratory
X-ray Radiation
Text for this level has not been written yet.
Please see the "Intermediate" text
for this page if you want to learn about this topic.
To get to the "Intermediate" text, click on the blue "Intermediate" button
at the top of the page (between the "Beginner" and "Advanced" buttons).
You might also be interested in:
An active region on the Sun is an area with an especially strong magnetic field. Sunspots frequently form in active regions. Active regions appear bright in X-ray and ultraviolet images. Solar activity,
...more
Some materials are radioactive. They give off radiation. When an atom of a radioactive substance gives off radiation, it becomes a new type of atom. This change is called radioactive decay. There are two
...more
The force of magnetism causes material to point along the direction the magnetic force points. Here's another picture of how this works. This picture shows where the magnetic poles of the Earth are to
...more
The Earth has a dipole magnetic field. This is when magnetic field lines point in a direction out of the South Pole and into the North Pole. Planets can also have quadrupoles (4 poles) and octupoles (8-poles).
...more
A magnetometer is an instrument for measuring magnetic fields. Many spacecraft carry magnetometers to measure the magnetic fields around planets. When a spacecraft makes those measurements, what do the
...more
Electricity and magnetism are two very important topics in the science of physics. We use electricity to power computers and to turn on a light. Magnetism makes a compass point North and keeps notes stuck
...more
Text for this level has not been written yet. Please see the "Intermediate" text for this page if you want to learn about this topic. To get to the "Intermediate" text, click on the blue "Intermediate"
...more
