Planetary Motion

space-science

Prograde motion is the eastward movement of a planet or celestial object against the background stars when viewed from Earth’s north pole direction. In the solar system, most...

Astronomy

A planet retrograde describes the apparent backward, or westward, motion of a planet against the background stars as seen from Earth. This is not a physical reversal but an opti...

Status Updates

When you ask whether something is in retrograde right now, you are asking about apparent planetary motion as seen from Earth, not a real change in orbit. Retrograde is an observ...

Astronomy

A retrograde is an apparent backward shift of a planet across the sky caused by the relative speeds of Earth and the planet as they orbit the Sun. From our vantage point, the pl...