Venus could make a brief appearance this weekend as it passes between the Earth and the sun. Just be warned: It won't be easy to spot in the sun's glow, according to astronomers. The orbit Venus takes ...
NASA's Parker Solar Probe captured this image showing the nightside surface of Venus. A family of asteroids share the planet's orbit, and two new studies suggest that one day the space rocks could ...
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Perihelion: What is it and when does it occur?
Perihelion is the point at which an orbiting body is closest to the sun. The word comes from Greek and literally means around (peri) the sun (helios).
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