Astrobiology89- Page

Distribution of the 11.0/11.2 PAH band ratio versus stellar effective temperature for our HAeBe sample. Reference stars (SR 21A, PDS 144N, HD 97300) shows different ionization regimes. The shaded regions

Reprocessed images of Uranus ] and Neptune NASA/JPL-Caltech (Uranus and Neptune); “Modelling the Seasonal Cycle of Uranus’s Colour and Magnitude, and Comparison with Neptune,” by Patrick G. J. Irwin

Exploration Crew Medical Officer – Grok via Astrobiology.com Introduction: Predictive analytics may be a useful adjunct to identify training needs for exploration class medical officers onboard deep space vehicles. Methods:

This colorful web of wispy gas filaments is the Vela Supernova Remnant, an expanding nebula of cosmic debris left over from a massive star that exploded about 11,000 years ago.

Transit zones for all solar system planets are plotted in heliocentric ecliptic coordinates (left) and in celestial coordinates (right). Each planet’s transit zone is shown as a colored sinusoidal band.

SETI@home is a radio Search for Extraterrestrial Intelligence (SETI) project that looks for technosignatures in data recorded at the Arecibo Observatory. The data were collected over a period of 14

Impact history should play a crucial role in the search for habitable exoplanets like Earth — SwRI An SwRI-led team compared the early impact history of Venus and Earth, determining

A clay-rich mesa in the Hellas basin of Mars. The blue color near the rim is aluminum bearing clays. The red-orange color below that is iron and magnesium bearing clays.

The Antarctic midge is the only known insect native to Antarctica. Credit Yuta Shimizu / Osaka Metropolitan University Picture an Antarctic animal and most people think of penguins, but there