Planetary Protection
NASA's Planetary Protection Review Addresses Changing Reality of Space Exploration 
NASA released a report Friday with recommendations from the Planetary Protection Independent Review Board (PPIRB) the agency established in response to a recent National Academies of Sciences, Engineering, and Medicine report and a recommendation from the NASA Advisory Council. Full report: NASA Response to Planetary Protection Independent Review Board Recommendations
Habitable Zones & Global Climate
Resilient Habitability Of Nearby Exoplanet Systems
We investigate the possibility of finding Earth-like planets in the habitable zone of 34 nearby FGK-dwarfs, each known to host one giant planet exterior to their habitable zone detected by RV.
Astrogeology
Measuring The Atomic Composition Of Planetary Building Blocks
Volatile molecules are critical to habitability, yet difficult to observe directly at the optically thick midplanes of protoplanetary disks, where planets form.
Astrochemistry
Chemical Evolution of HC3N in Dense Molecular Clouds
We investigated the chemical evolution of HC3N in six dense molecular clouds, using archival available data from the Herschel infrared Galactic Plane Survey (Hi-GAL) and the Millimeter Astronomy Legacy Team Survey at 90 GHz (MALT90).
Mars
Subsistence Of Ice-covered Lakes During The Hesperian at Gale crater, Mars
Sedimentary deposits characterized by the Mars Science Laboratory Curiosity rover provide evidence that Gale crater, Mars intermittently hosted a fluvio-lacustrine environment during the Hesperian.
Planetary Protection
NASA to Discuss Planetary Protection Review's Findings and Recommendations
NASA will host a media teleconference at 3:30 p.m. EDT Friday, Oct. 18, to discuss recommendations presented by the Planetary Protection Independent Review Board (PPIRB), established in June 2019 by Thomas Zurbuchen, associate administrator for the agency's Science Mission Directorate.
Habitable Zones & Global Climate
How do Planetary Radius and Gravity Influence the Surface Climate of Earth-like Planets?
About 4000 exoplanets have been confirmed since the year of 1992, and for most of the planets, the main parameters that can be measured are planetary radius and mass.
Panspermia
Exporting Terrestrial Life Out of the Solar System with Gravitational Slingshots of Earthgrazing Bodies
Exporting terrestrial life out of the Solar System requires a process that both embeds microbes in boulders and ejects those boulders out of the Solar System.
Astrochemistry
Complex Organic Molecules In Accretion Shocks Around A Hot Core Precursor
Zeroth moment maps of some simple molecules, and selected transitions of COMs.
Habitable Zones & Global Climate
No Snowball on Habitable Tidally Locked Planets with a Dynamic Ocean
Terrestrial planets orbiting within the habitable zones of M-stars are likely to become tidally locked in a 1:1 spin:orbit configuration and are prime targets for future characterization efforts.
Habitable Zones & Global Climate
The Effect of Land Fraction and Host Star Spectral Energy Distribution on the Planetary Albedo of Terrestrial Worlds
The energy balance and climate of planets can be affected by the reflective properties of their land, ocean, and frozen surfaces.
More top stories from October.
Recent Releases
Recent Status Reports
Calendar
- 21 Oct: 70th International Astronautical Congress
- 21 Oct: NASA Hubble Fellowship Program Symposium
- 21 Oct: National Space Council Users' Advisory Group Meeting
- 21 Oct: CCSDS Fall 2019 meeting series
- 28 Oct: Lunar Exploration Analysis Group
- 28 Oct:
- 29 Oct: NASA Advisory Council;Technology, Innovation and Engineering Committee Meeting
- 29 Oct: NASA Advisory Council Human Exploration and Operations Committee Meeting
- 30 Oct: Safe Skies for All Conference
- 31 Oct: NASA Advisory Council Meeting
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