93E-105-A New Chapter In The Human Exploration Of Space
The first unmanned test flight of the new NASA Orion Spacecraft went perfectly. It made two orbits of the Earth traveling as far as 3600 miles above the surface of our planet. Its path took it nearly...
8 Syys 20202min
604-Comet Rankin
There may be as many as a trillion small icy objects in the Oort cloud near the outer edge of our solar system. Very rarely one of these frozen ice balls is jostled by the gravity of a nearby star cau...
4 Syys 20202min
92E-104-Jupiter Trojan Confusion
Humans know of approximately half million main belt asteroids orbiting the Sun between Mars and Jupiter. We have also found approximately 11,000 Earth approaching asteroids. Members of these two gro...
1 Syys 20202min
603-Discovering Alien Life
Our star is only one among hundreds of billions in the Milky Way galaxy which itself is only one of a hundred billion or more galaxies in the known universe. How can it be that humans are the only cre...
28 Elo 20202min
91E-103-Small Asteroids In Earth-like Orbits
Four days after it made its closest approach to Earth, I found a 10 foot diameter asteroid with the NASA funded University of Arizona 60 inch telescope on Mt. Lemmon. At that point it was 838,000 mile...
25 Elo 20202min
602-Solar Flares
Some stars can have flares which can cause them to more than double in brightness in a few minutes. Fortunately our Sun does not do that and the Earth's atmosphere and magnetic field protect humans fr...
21 Elo 20202min
90E-102-Little Asteroid On An Inside Track
2014 US7 is called an Aten [Ah tin] type of asteroid. The first of its type was discovered by Dr. Eleanor Key Francis "Glo" Helin in 1976. She was an American astronomer who discovered more than 800 a...
18 Elo 20202min
601-Phaethon's Child
Phaethon (Faith on) is a strange, 4 mile diameter, blueish asteroid. It travels on an orbit which comes so close to the Sun that its exterior is heated to 1,500 F. When you go out to view the Geminids...
14 Elo 20202min
