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 Syys 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 Syys 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 Syys 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 Syys 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 Syys 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 Syys 2min
914-Deep Synoptic Array
Looking into the sky at night with radio eyes you would not see the points of starlight forming the constellations instead you would see a very bright, colorful and wildly changing scene. In a desert ...
28 Elo 2min
