Celestial mechanics: Analytical model reveals true cause of orbit bifurcations near Lagrange points

Advanced space travel relies on a fundamental understanding of the restricted three-body problem (RTBP), in which one of the ...
Smithsonian Magazine on MSN

Astronomers Say Earth Has a Newly Discovered 'Quasi-Moon,' a Companion That Shares Its Orbit Around the Sun

Earth has a newly discovered—albeit temporary—companion in its journey around the sun. In research published this month in ...
kottke.org

Incredibly Realistic 3D Models of the Moon’s Surface (From 1874!)

A gem of a find by The Public Domain Review of a collection from the Rijksmuseum: photographs of plaster models of the ...
SpaceNews

Chinese spacecraft appear to reach lunar orbit despite launch setback

The far side of the moon and distant Earth, imaged by the 2014 Chang’e-5 T1 mission service module. Credit: Chinese Academy of Sciences HELSINKI — Two Chinese spacecraft appear to have successfully ...
EurekAlert!

New SwRI model explains exoplanetary systems with compact orbits

Southwest Research Institute scientists propose a new model for the formation of compact exoplanetary systems that contain multiple rocky planets in tight orbits around their star. In this model, ...