Periodic comet showers and planet X

1985/01/01 by Daniel P. Whitmire, D. P. Whitmire, John J. Matese · 5 citations
Earth and Planetary Sciences · Physics and Astronomy · #Astro and Planetary Science #Paleontology and Stratigraphy of Fossils #Planetary Science and Exploration

paper · doi:10.1038/313036a0

crossref issued 1985/01/01 · crossref published 1985/01/01 · crossref published-print 1985/01/01 · openalex publication_date 1985/01/01 · crossref created 2004/11/18 · crossref deposited 2023/05/17 · crossref indexed 2025/06/09 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/23

Citations

• On the existence of a comet belt beyond Neptune
• Dynamical constraints on the mass and perihelion distance of Nemesis and the stability of its orbit
• Periodicity of extinctions in the geologic past.
• Comet showers and the steady-state infall of comets from the Oort cloud

Cited by

• Mass extinctions over the last 500 myr: an astronomical cause?
• Biases in cometary catalogues and Planet X
• The “Shiva Hypothesis”: Impacts, mass extinctions, and the galaxy
• Periodicity in extinction and the problem of catastrophism in the history of life
• Planets beyond Neptune [wikipedia]