Satellites
Harvesting Solar Power from Space
In a new report, the viability of sending solar panels into space to collect a vast quantity of uninterrupted energy…
US Wants to Defend Satellites From Laser Attack
So what do you do if someone fires a powerful laser at your satellite? The optics on the satellite will…
The A-Train: Using Five Satellites as One to Analyze Polluted Clouds
This is one of the finest examples of satellite collaboration. Five Earth-observing orbiters, four from NASA and one from France,…
China Launches Second Olympic Satellite; Will Help Earthquake Zone
China is stepping up its preparations for this year's Olympics to be held in the Chinese capital, Beijing. Concern is…
Europe Launches the Most Accurate Clock in Space
Where you want to go depends on where you are. And if you've got a GPS system in your hands,…
Space Debris Illustrated: The Problem in Pictures
Space junk, space debris, space waste --- call it what you want, but just as junk and waste cause problems…
So, What Does an Anti-Satellite Weapon Actually Look Like?
In February, the Universe Today followed the sad tale about a dead US satellite called US-193, lifelessly floating around in…
The Mysterious Case of Two Spheres Falling to Earth in Australia and Brazil
On the March 24th, a story hit the web from Brazil asking for help identifying a mysterious-looking sphere found in…
A Space War would be a Seriously Messy Business
What if there was a Pearl Harbour-like, pre-emptive strike against orbiting satellites? What if our quarrels on the ground spill…
A Step Toward Quantum Communications with Space
Sending quantum information in the form of qubits (quantum bits) have been successfully carried out for years. Firing indecipherable packets…