Ancient Greek astronomer Aristarchus was the first who presented the heliocentric system, maintaining that the Earth revolves around the Sun.

Analyzing lunar tidal data from two NASA missions, scientists can discern the surprising interior of the Earth’s only natural ...

Venus shines bright after sunset, the giant planets rise before midnight, and Mars shines before dawn. Plus, catch Comet ...

On October 10, Orthodox believers honor the memory of the martyrs Evlampius and Evlampia. Aristarchus, Zinaida, Ignatius, ...

Aristarchus also reasoned that as the angular size of the Sun and the Moon were the same, but the distance to the Sun was between 18 and 20 times further than the Moon, the Sun must therefore be 18–20 ...

He was detained under house arrest but accompanied by his faithful companions; Luke, Timothy, Mark and Aristarchus. People from all over came to the house to listen to Paul’s preaching. Paul also ...

To get some very basic descriptions of the Earth we will start by describing some of the simplest of all the Earth's properties - how big, how heavy, how hot, how strong - and how they were deduced.

Seamless Wikipedia browsing. On steroids. Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface. Wikiwand ...