Sponsor of the Day:
Jerkmate
https://ui.adsabs.harvard.edu/abs/1989AJ.....98.1083Y
An Asymmetric Outgassing Model for Cometary Nongravitational Accelerations - ADS
The standard nongravitation force model has been modified by allowing the water-vaproization curve to peak a certain number of days (DT) either before or after...
asymmetricoutgassingmodelcometaryads
https://apod.nasa.gov/apod/ap260428.html
APOD: 2026 April 28 – CG 30: Cometary Globules
A different astronomy and space science related image is featured each day, along with a brief explanation.
2026 april 28apodcg30cometary
https://www.eso.org/public/videos/eso1503a/
Zooming in on the cometary globule CG4 | ESO
zoomingcometaryglobuleeso