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SYFY WIRE

orbits

Artwork depicting two rocky Earth-sized planets orbiting another star.

Why don’t we see exoplanets sharing the same orbit? Tides.

Two planets that share the same orbit likely don’t exist.
By Phil Plait 1 year ago
Artwork of a distant asteroid on its way in toward the inner solar system. Credit: NASA/JPL-Caltech

Second-ever Earth Trojan asteroid found!

2020 XL5 shares an Earth-like orbit.
By Phil Plait 1 year ago
Phil Plait Bad Astronomy Asteroid No

Another day, another asteroid that won't hit us: Nereus will miss Earth tomorrow

Geez, THIS again?
By Phil Plait 1 year ago
Cassidy Coccolithophore PRESS

Mood swings in Earth's orbit can influence evolution of phytoplankton

Jupiter is messing with our plankton!
By Cassidy Ward 1 year ago
Phil Plait Bad Astronomy Wasp79b Polar Orbit Press

Puzzling planets perpetrating perpendicular paths perplex people

Nearby star HD 3167 has planets orbiting at right angles
By Phil Plait 1 year ago
Artwork depicting the exoplanet Beta Pictoris b, showing the planet-forming debris disk around the star. The planet is flattened due to its rapid rotation. Credit: ESO L. Calçada/N. Risinger (skysurvey.org)

Astronomers 'find' a second planet orbiting Beta Pictoris due to extremely tiny wiggles by the first planet

By Phil Plait 1 year ago
Phil Plait Bad Astronomy art_woodsat_space

Can you build a satellite made out of… wood?

By Phil Plait 2 years ago
Artwork depicting a Kuiper Belt Object far beyond Neptune. Credit: ASA/ESA/G. Bacon (STScI)

Don’t panic! But a gigantic comet is currently inbound toward the Sun

By Phil Plait 2 years ago
Artwork depicting the six-planet system orbiting the star TOI-178. Credit: ESO/L. Calçada/spaceengine.org

A six-planet system dances in time to the tune of gravity

By Phil Plait 2 years ago
Artwork showing the super-Jupiter exoplanet HD 106906 b, orbiting over 100 billion km from its binary star host. A disk of planet-forming material surrounds the stars, indicating their young age. Credit: ESA/Hubble, M. Kornmesser

Does Planet Nine exist? An alien world 300 light years away gives hope

By Phil Plait 2 years ago
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