The overall tone reflects respect for past research, like the mention of Raup and Sepkoski's 1983 study and theories such as the Nemesis hypothesis, with some posts expressing admiration and familiarity. Many comments are brief or reference external sources, indicating moderate engagement rather than deep analysis or controversy.
AgreementModerate agreement
Most participants acknowledge the historical significance of Raup and Sepkoski's research and the periodicity findings, expressing support or curiosity.
InterestModerate interest
The discussions reflect some interest in the topic, with mentions of historical research and related theories, but overall engagement seems moderate.
EngagementNeutral engagement
There is minimal deep discussion or analysis; some posts share references and praise, but few delve into detailed implications or critique.
ImpactNeutral impact
The collective responses do not indicate a major shift in perspective or wide-reaching influence but show recognition of the topic's importance in paleontology.
Abstract in brief
The study analyzed the timing of major extinctions over the past 250 million years and found a statistically significant pattern, occurring approximately every 26 million years.
The 12 extinction events studied include notable ones linked to meteorite impacts, such as the terminal Cretaceous and Late Eocene extinctions.
The exact causes of this roughly 26-million-year cycle are unknown, but researchers suggest they might be related to extraterrestrial influences like solar or galactic forces.]
after all, David Raup and Jack Sepkoski researched the weird intervals of mass extinctions in 1983
they speculated that "extraterrestrial forces" could have an influence
you can read their paper here: https://t.co/3WyFmE3Axs
Dec 13, 2024 · 21 likes · 3 shares · 5,776 followersView post →
WP
Warren Platts
@WarrenPlatts · X
@peterrhague I had a couple of professors who proposed a 23 million year "Nemesis".
https://t.co/ltRpCnQYfo https://t.co/8cxaZCO334
Jun 12, 2024 · 3 likes · 7,155 followersView post →
DK
Dr. Teddy Kareta
@teddykareta.bsky.social · Bluesky
giving my students a fun lecture on what did in the dinosaurs tomorrow which means it's time to refresh myself on all the fun ideas which were super super wrong
From the rain of glass on HD 189733 b to the blackest planet TrES2b, this video explores extreme exoplanets and cosmic anomalies. Discover how planets can drift without a star and examine theories surrounding Planet X…
This fascinating hypothesis suggests a distant star linked to the Sun, potentially unexplored. Based on paleontological observations, it explores the possibility of missing planets and their implications for our…
giving my students a fun lecture on what did in the dinosaurs tomorrow which means it's time to refresh myself on all the fun ideas which were super super wrong
after all, David Raup and Jack Sepkoski researched the weird intervals of mass extinctions in 1983
they speculated that "extraterrestrial forces" could have an influence
you can read their paper here: https://t.co/3WyFmE3Axs
Dec 13, 2024 · 21 likes · 3 shares · 5,776 followersView post →
Benton 2018 Hyperthermal Driven Mass Extinctions Killing Models ...
News
Natl Acad. Sci. USA 81, 801–805. (doi:10.1073/pnas.81.3.801) 7. Erlykin AD, Harper DAT, Sloan T, Wolfendale AW. 2017 Mass extinctions over the last 500 myr ...
Mass Extinctions and Their Relationship With Atmospheric Carbon ...
Blogs
https://doi.org/10.1073/pnas.81.3.801. Renne, P. R., Deino, A. L., Hilgen, F. J., Kuiper, K. F., Mark, D. F., Mitchell, W. S., III, et al. (2013). Time ...