* Magnetic Field: Magnetars have the strongest magnetic fields in the known universe, billions of times stronger than the most powerful magnets made by humans. Imagine a refrigerator magnet, but a billion billion times stronger!

* Energy: The intense magnetic field stores enormous amounts of energy, comparable to the energy released by our Sun over 100,000 years.

* Effects: These powerful fields can:

* Rip apart atoms: The magnetic field is so strong that it can actually distort the electron clouds around atoms.

* Heat up the surface: Magnetars have incredibly hot surfaces, reaching millions of degrees Celsius.

* Generate powerful bursts: They can emit intense bursts of X-rays and gamma rays, which can be detected across vast distances.

To give you an idea of how strong these fields are:

* Earth's Magnetic Field: About 0.5 Gauss.

* Sunspot: About 10,000 Gauss.

* Powerful Laboratory Magnet: About 100,000 Gauss.

* Magnetar: Up to 100 billion Gauss!

In short, magnetars are the most powerful magnets in the universe. Their extreme magnetic fields have a profound impact on their environment and on our understanding of the cosmos.