NASA, Hubble, Spitzer and the Megamaser

Inspirations | NASA Images

The NASA website is an incredible, information-rich resource. It delivers the wonders of the universe directly into our living rooms, PCs and mobiles. Detailed descriptions of missions, satellites, far galaxies and star forming regions of the universe are constantly updated and hypnotic images bring us visions far beyond our ability to view with the naked…

What is Time? Gregorian Calendar, These Fantastic Worlds

What is Time? The Gregorian Calendar

From 1540, two major developments brought long-lasting change to our notions of time. The calendar reforms of Pope Gregory gave us the Gregorian calendar we have today, and the ultimate acceptance of the heliocentric system (that the earth circulated the sun, not the other way round) provided a victory for science over the Catholic Church. Copernicus' Radical Idea…