An astronomical object, celestial object, stellar object or heavenly object is a naturally occurring physical entity, association, or structure that exists within the universe. In astronomy, the terms
Composite image showing the round dwarf planet Ceres; the slightly smaller, mostly round Vesta; and the much smaller, much lumpier Eros
Portrait of Jupiter from Cassini
Earth is the third planet from the Sun and the only astronomical object known to harbor life. This is made possible by Earth being an ocean world, the only one in the Solar System sustaining liquid su
Astronomical object
…people more about astronomy. During the Scientific Revolution, in 1543, Nicolaus Copernicus's heliocentric model was published. This model described the Earth, along with all of the other planets as being astronomical bodies which orbited the Sun located in the center of the Solar System. Johannes Kepler…
Earth as seen from Meteosat-12 in 2025, during the March equinox
A depiction of the early Solar System's protoplanetary disk from which Earth and other Solar System bodies were formed
Pale orange dot, an impression of Early Earth, featuring its tinted orange methane-rich early atmosphere
A conception of the scorched Earth after the Sun has entered the red giant phase, about 5–7 billion years in the future