Comets

A Newly-Discovered (Almost) Dwarf Planet Will Come Surprisingly Close in 2031

It’s good to remember how little we know about the outer solar system.  Humans only really began observing it within…

3 months ago

Researchers Simulate the Formation of the Oort Cloud

There is a cloud of debris surrounding our solar system. It's known as the Oort cloud, and it is the…

3 months ago

Comets Have Tails of gas, Dust… and Metal?

In outer space, an object’s location has a huge impact on its temperature.  The closer the object is to its…

4 months ago

A Comet Seen at the end of its Life. It’s covered in talcum powder

Astronomers finally managed to observe a comet nearing the end of its life. And they found that it's covered in…

4 months ago

In 1.3 Million Years, a Star Will Come Within 24 Light-Days of the Sun

Using data from the Gaia Observatory, a team of Russian scientists have concluded that a star will make a close…

4 months ago

Earth Gains 5,200 Tons of Dust From Space Every Year

Whenever I wipe the dust off my coffee table or catch a glimpse of dust motes floating in sunlight, my…

5 months ago

Interstellar Comet Borisov is so Pristine, it’s Probably Never Been Close to a Star Before

By comparing our local Comet Hale-Bopp to the interstellar visitor 2I/Borisov, a team of astronomers have concluded that the interloper…

6 months ago

Comets Already Grow a Coma out in the Kuiper Belt

Just when do comets get their signature coma? Conventional wisdom says it only happens when they get close enough to…

6 months ago

Jupiter has Added a Comet to its Trojan Collection

Jupiter is notorious for capturing objects that venture too close to the gas giant and its enormous pull of gravity.…

7 months ago

Did a Comet Wipe out the Dinosaurs?

About 66 million years ago a massive chunk of rock slammed into Earth in what is the modern-day Yucatan Peninsula.…

7 months ago