918-Auroras from Space
The northern lights or Aurora Borealis have fascinated humans throughout the ages. Today aurora watching is a multimillion dollar industry in places like Alaska, Canada, Norway, Sweden, Finland, Green...
25 Sep 2min
407E-448-Two PHA's
The large dangerous asteroids that we don't know about are what keep asteroid hunters going to the telescope.
22 Sep 2min
917-Space Dust
As the Earth orbits the Sun at 18.5 mi/s it sweeps up about 100 tons of micrometeorites and space dust every day of which some 14 tons eventually makes it to the ground. You can even find some of thes...
18 Sep 2min
406E-447-Nuking An Asteroid
Tonight, even though the chances are extremely slim, an asteroid hunter could find a sizable asteroid on a collision course with planet Earth. If we have decades warning, the potential impactor's arri...
15 Sep 2min
916-Past Glory
When accurately recorded historical observations do not agree with what we what we see today it is often very rewarding to find out why. In modern telescopes we see Theta Eridani to a be pair separate...
11 Sep 2min
915-Raining Comets
The comets we observe generally start out as icy dirty snowballs of frozen gases like water and frozen carbon dioxide in the Oort cloud. If recent scientific analysis is correct, we are now witnessing...
4 Sep 2min
404E-445-Not So Secret
A partnership of humans and computers will help to minimize the damage when asteroid hunters find a space rock with our number on it.
1 Sep 2min
