magnetic field

An Astronomical First! A Radiation Belt Seen Outside the Solar System

For the first time, a team of astronomers has imaged the radiation belt of an object from beyond the Solar…

4 months ago

It's Time for Mysterious Spokes to Appear in Saturn's Rings

The Hubble Space Telescope recently captured the appearance of several asymmetrical ‘spokes’ rising above the rings of Saturn, marking a…

7 months ago

You’re Looking at a Map of the Milky Way’s Magnetic Field

Using telescopes that study the sky in the microwave part of the electromagnetic spectrum, astronomers have successfully mapped the structure…

8 months ago

Marsquakes are Caused by Shifting Magma

Before the InSight Lander arrived on Mars, scientists could only estimate what the planet's internal structure might be. Its size,…

1 year ago

We Might Know Why Mars Lost its Magnetic Field

Mars is a parched planet ruled by global dust storms. It's also a frigid world, where night-time winter temperatures fall…

2 years ago

An Exoplanet Found Protected by a Magnetosphere

Using the Hubble Space Telescope, an international team of astronomers has spotted the magnetosphere of an exoplanet for the first…

2 years ago

Why do Uranus and Neptune Have Magnetic Fields? Hot ice

The outer “ice giant” planets, Neptune and Uranus, have plenty of mysteries.  One of the biggest is where exactly they…

2 years ago

Does Mercury Have a big Iron Core Because it’s so Close to the Sun’s Magnetic Field?

Magnetic fields are great for lots of things - directing explorers, levitating trains, and containing nuclear fusion reactions are just…

2 years ago

Astronomers Confirm the Existence of Magnetic Waves in the Sun’s Photosphere

For the first time astronomers have observed waves of magnetic energy, known as Alfvén waves, in the photosphere of the…

2 years ago

How can White Dwarfs Produce Such Powerful Magnetic Fields?

White dwarfs have some surprisingly strong magnetic fields, and one team of astronomers may have finally found the reason why.…

2 years ago