Mercury

Even Mercury has Geomagnetic Storms

Can other planets have geomagnetic storms, even if their magnetosphere is weak and they don't have an ionosphere like Earth?…

6 months ago

There are Deposits of ice at Mercury's Poles too

Ice was discovered on Mercury's poles thanks to planetary radar.

7 months ago

TESS Finds a New Mars-Sized Planet (With the Density of Mercury)

Some planets orbit their stars so closely that they have extremely high surface temperatures and extremely rapid orbits. Most of…

10 months ago

BepiColombo’s First Pictures of Mercury

BepiColombo recently had its first close flyby of Mercury, its eventual mission target, and got to snap some pictures to…

12 months ago

BepiColombo Meets Mercury for the First Time on October 1

BepiColombo made a quick visit to Venus in August and is on to its next rendezvous. On October 1st it'll…

1 year ago

It’s Time to Send a Lander to Mercury

So much in the astronomy community revolves around the decadal survey.  Teams of dozens of scientists put hundreds of hours…

1 year ago

An Asteroid has Been Discovered That Crosses Mercury’s Orbit

Astronomers have spotted the fastest-ever asteroid orbiting Sun -- and at times, it gets closer to the Sun than the…

1 year ago

Who was Giuseppe ‘Bepi’ Colombo and why Does he Have a Spacecraft Named After him?

Astronomers have an excellent habit of naming large projects after deserving contributors to their field.  From Nancy Grace Roman to…

1 year 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…

1 year ago

MESSENGER Saw a Meteoroid Strike Mercury

Telescopes have captured meteoroids hitting the Moon and several spacecraft imaged Comet Shoemaker–Levy 9 smacking into Jupiter in 1994. But…

2 years ago