In Aztec mythology, Tonatiuh was the sun god. The Aztec people considered him the leader of Tollan, their heaven. He was also known as the fifth sun, because the Aztecs believed that he was the sun that took over when the fourth sun was expelled from the sky. According to their cosmology, each sun was a god with its own cosmic era. According to the Aztecs, they were still in Tonatiuh's era. According to the Aztec creation myth, the god demanded human sacrifice as tribute and without it would refuse to move through the sky. It is said that 20,000 people were sacrificed each year to Tonatiuh and other gods, though this number is thought to be inflated either by the Aztecs, who wanted to inspire fear in their enemies, or the Spaniards, who wanted to vilify the Aztecs. The Aztecs were fascinated by the sun and carefully observed it, and had a solar calendar second only in accuracy to the Mayans'. Many of today's remaining Aztec monuments have structures aligned with the sun. The Aztec civilization recognized many gods and supernatural creatures. ... The Sun is the star at the center of Earths solar system. ... The Aztecs were a Pre-Columbian Mesoamerican people of central México in the 14th, 15th and 16th centuries. ... Tollan (Stargate) are an advanced human civilization Tollan or Tolan or Tolán is the name used for the capital city of two empires of Pre-Columbian Mesoamerica; first for Teotihuacan, and later for the Toltec capital of Tula. ... Heaven is an afterlife concept found in many religions or spiritual philosophies. ... // Cosmology, from the Greek: κοσμολογία (cosmologia, κόσμος (cosmos) world + λογια (logia) discourse) is the study of the Universe in its totality, and by extension, humanitys place in it. ... Creation beliefs and stories describe how the universe, the Earth, life, and/or humanity came into being. ... Human sacrifice was practiced in many ancient cultures. ... A solar calendar is a calendar whose dates indicate the position of the earth on its revolution around the sun (or equivalently the apparent position of the sun moving on the celestial sphere). ... The word Maya or maya can refer to: The Maya – a Native American people of southern Mexico and northern Central America the modern Maya people the pre-Columbian Maya civilization the Maya language Maya – a concept in Hindu/Vedic philosophy a state of misperception of reality the inherent force of...