Astroearth

Understanding a Video Camera's CCD

CCD and CMOS sensors (complementary metal oxide semiconductor) are terms that have been around for a number of years, commonly used in video camcorders and professional video and still cameras. CCD CMOS what does it all mean?

Laser Communication and E.T

Is it possible to find extraterrestrial Intelligence and be able to communicate with them using laser technology? Radio and optical methods are not the only avenue for searching the universe for intelligence. I am a firm believer in laser communication...

Nothing But the Facts About Jupiter’s Moon, Europa - II

Europa's surface is among the brightest in the solar system, through a mixture of an icy glaze and sunlight reflecting off a relatively young icy crust. Its face is also among the smoothest, lacking the heavily cratered appearance characteristic of...