Cosmos Archives | Filling Space

Cubesats are becoming more common. In low Earth orbit, they are becoming so prevalent that concerns are arising about space debris and interference with Earth-based…

Cosmos

Is our universe part of a larger multiverse?

We use the word “universe” to describe everything that we know to exist – all of time, energy, and matter. With our current technology, we…

Cosmos

White dwarfs’ exoplanets – what do we know about them?

Editor November 15, 2019 astronomy Earth-like planets exoplanets geochemistry geophysics Habitability magnetic fields planetary systems space science white dwarfs

A booming area of space science is the study of “exoplanets”, the term for planets outside our Solar System. Telescopes like the Transiting Exoplanet Survey…

Cosmos

What will happen to our Solar System after the Sun dies?

Editor October 18, 2019 astronomy Astrophysics chaotic orbits earth gravity planetary debris planetary systems the asteroid belt the Solar System the Sun

When the Sun dies, it will become what we call a white dwarf. White dwarfs are small and incredibly dense – a teaspoon of white…

Cosmos

What do we know about the TRAPPIST-1 system’s habitability?

Editor September 20, 2019 Astrophysics auroras Earth-like planets exoplanets high-energy particles magnetic fields planetary systems stellar radiation the habitable zone TRAPPIST-1

The TRAPPIST-1 system is notable for having Earth-like planets that may be habitable. They are rocky and in the so-called “habitable zone” where water may…

Cosmos

How well can we forecast space weather?

Editor September 13, 2019 auroras Machine Learning magnetism plasma radiation satellites solar eruptions solar wind Space Weather the Sun

Space is more turbulent than it first appears. Space weather, specifically radiation and plasma emanating from our Sun, can affect Earth’s habitability. It can also…