Astrobiology3- Page

Artist’s depiction of water rushing into Mars’ Jezero Crater, which billions of years ago was the site of a delta. (Credit: NASA/JPL-Caltech) Visit ancient Mars—a surprisingly temperate planet where snow

A disintegrating planet orbits a giant star. Credit Jose-Luis Olivares, MIT MIT astronomers have discovered a planet some 140 light-years from Earth that is rapidly crumbling to pieces. The disintegrating

Integrated intensity maps of the 0.9 mm dust continuum emission (taken from Rosotti et al. (2020)) and molecular line emission from the HD 100453 disk. For the line maps, the

The dominant phosphorous reservoirs throughout the HD 100546 disk. Left-hand panel: a map of the calculated disk temperature structure, which dictates phosphorous mineral stability. Normalised height above midplane is given

CN measurement limits in the exocomet frame for a CN line width of 2.7, 10 and 20 km s−1. Contours show signal-to-noise upper limits. — astro-ph.EP The young (23 Myr)

Summary of the geodynamic, topographic, climatological, and biogeographical evolution of the system. Regional paleogeography with profiles showing mantle density anomalies from Straume, et al. 68 — Nature . What roils

Status Report The Planetary Science Journal April 21, 2025 The DSMC simulation results of Europa’s gas plumes with four case studies. Top: number density distribution (shown in contours with a

McMurdo Dry Valleys, Antarctica. — NASA The search for life in the solar system often focuses on water and on environments where habitable conditions exist, persistently or occasionally. In this

Improving Spectroscopic Detection Limits with Multi-Pixel Signal-to-Noise Ratio Calculations Background The Scanning Habitable Environments with Raman and Luminescence for Organics and Chemicals (SHERLOC) instrument on NASA’s Perseverance rover is a

Dramatic plumes, both large and small, spray water ice and vapor from many locations along the famed “tiger stripes” near the south pole of Saturn’s moon Enceladus. The tiger stripes