From astrobiology.com
Studying Wolf 359: Habitable Exoplanets Need To Be Prepared For Extreme Space Weather - Astrobiology
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Planets around other stars need to be prepared for extreme weather conditions
#stars #planet #planets #astronomy #Exoplanets
20h ago
From astrobiology.com
Octofitter: Fast, Flexible, and Accurate Orbit Modelling to Detect Exoplanets - Astrobiology
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As next-generation imaging instruments and interferometers search for planets closer to their stars, they must contend with increasing orbital motion and longer integration times.
on Tue, 6PM
From astrobiology.com
JWST Discovers A New Planet In The Kepler-51 System - Astrobiology
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An unusual planetary system with three known ultra-low density “super-puff” planets has at least one more planet
on Mon, 5PM
From astrobiology.com
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growing interest in exploring and quantifying the habitability of temperate rocky planets around white dwarfs.
on Mon, 3PM
From astrobiology.com
Reminder: NASA Decadal Astrobiology Research and Exploration Strategy (DARES) RFI - Astrobiology
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As a reminder, NASA is seeking community input for the development of the forthcoming NASA Decadal Astrobiology Research and Exploration Strategy (NASA-DARES)
on Mon, 4AM
From astrobiology.com
Kilometer-baseline Interferometry: Science Drivers For The Next Generation Instrument - Astrobiology
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Infrared interferometry has seen a revolution over the last few years. The advent of GRAVITY+ is about to enable high-contrast observations, all-sky coverage and faint science up to K=21, with the implementation on 8m-class telescope of extreme adaptive optics, wide-field observations, and soon...
on Sun, 6PM
From astrobiology.com
Gen TSO: A General JWST Simulator for Exoplanet Times-series Observations - Astrobiology
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Gen TSO is a noise calculator specifically tailored to simulate James Webb Space Telescope (JWST) time-series observations of exoplanets.
on Sun, 11AM
From astrobiology.com
Detecting Exoplanet Transits With The Next Generation Of X-ray Telescopes - Astrobiology
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Detecting exoplanet transits at X-ray wavelengths would provide a window into the effects of high energy irradiation on the upper atmospheres of planets. However, stars are relatively dim in the X-ray, making exoplanet transit detections difficult with current X-ray telescopes. To date, only one...
on Jan 11
From astrobiology.com
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When a planet is ejected from its star-planet system due to dynamical interactions, its satellite may remain gravitationally bound to the planet.
on Jan 10
From astrobiology.com
Exoplanet Detection Via Differentiable Rendering - Astrobiology
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Direct imaging of exoplanets is crucial for advancing our understanding of planetary systems beyond our solar system
on Jan 8
From astrobiology.com
Understanding Mars Helicopter Ingenuity's Last Flight On Mars - Astrobiology
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This review takes a close look the final flight of the agency’s Ingenuity Mars Helicopter, which was the first aircraft to fly on another world.
on Dec 31
From astrobiology.com
Previously Unknown Life Forms Discovered Within Human Microbiomes - Astrobiology
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Editor’s note: A team of researchers at Stanford University discovered objects they named “obelisks” in the human mouth and gut. The obelisks are microscopic, circular bits of genetic material that contain one or two genes. They self-organize into a rod-like shape, which is how they got their...
on Dec 31
From astrobiology.com
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The direct observation of cold and temperate planets within 1 to 10 AU would be extremely valuable for uncovering their atmospheric compositions but remains a formidable challenge with current astronomical methods.
on Dec 31
From astrobiology.com
Evolution Of Steam Worlds: Energetic Aspects - Astrobiology
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Sub-Neptunes occupy an intriguing region of planetary mass-radius space
on Dec 28
From astrobiology.com
Mirror Bacteria Report: Call For A Global Discussion About Possible Risks - Astrobiology
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Editor’s note: As we study how Earth life is put together it is helpful to understand alternate ways that chemistry could combine to form living systems. One way is to use the mirror image of all the molecular components of Earth life. There are concerns that such an artificial tree of life...
on Dec 24
From astrobiology.com
Extending The Chart Of Life By Nearly 1.5 billion Years - Astrobiology
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If all the world's a stage and all the species merely players, then their exits and entrances can be found in the rock record.
on Dec 23
From astrobiology.com
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Knowledge of Antarctic permafrost is mainly derived from the Antarctic Peninsula and Victoria Land.
on Dec 20
From astrobiology.com
DAVINCI Mission Seeks To Unlock Venus’ Hidden Secrets - Astrobiology
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NASA’s DAVINCI — Deep Atmosphere Venus Investigation of Noble gases, Chemistry, and Imaging
on Dec 18
From astrobiology.com
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Keith’s note: Astrobiologist Dale Andersen is back in Antarctica at Lake Untersee for another field season of Research (preview). Dale’s work is coordinated through the SETI Institute. We’ll be posting his updates here. You can read about his prior exploits this year and in prior field seasons...
on Dec 17
From astrobiology.com
The Light Of TRAPPIST-1 b Reveals New Insights On The Planet’s Nature - Astrobiology
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New TRAPPIST-1 observations with JWST underscore the complexities of confirming a planet's atmosphere using only broadband thermal emission data.
on Dec 16
From astrobiology.com
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We report the validation of multiple planets transiting the nearby (d=12.8 pc) K5V dwarf HD 101581 (GJ 435, TOI-6276, TIC 397362481)
on Dec 14
From astrobiology.com
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Keith’s note: Astrobiologist Dale Andersen is back in Antarctica at Lake Untersee for another field season of Research (preview). Dale’s work is coordinated through the SETI Institute. We’ll be posting his updates here. You can read about his prior exploits here. Keith: We’re now back at Novo...
on Dec 13
From astrobiology.com
Rapid Surge In Global Warming Mainly Due To Reduced Planetary Albedo - Astrobiology
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Rising sea levels, melting glaciers, heatwaves at sea – 2023 set a number of alarming new records.
on Dec 8
From astrobiology.com
Detectability Of Biosignatures In Warm, Water-rich Atmospheres - Astrobiology
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Warm rocky exoplanets within the habitable zone of Sun-like stars are favoured targets for current and future missions.
on Dec 3
From astrobiology.com
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We present an analysis of a volume-complete sample of 363 mid-to-late M dwarfs within 15 pc of the Sun with masses between 0.1 and 0.3 M⊙ observed by TESS within Observation Sectors 1 to 42.
on Nov 22
From astrobiology.com
NIAC Phase 1 Proposal: Hybrid Observatory for Earth-like Exoplanets (HOEE) - Astrobiology
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We propose the first hybrid observatory, combining a 100 m diameter starshade in space with a telescope on the ground. The Hybrid Observatory for Earth-like Exoplanets (HOEE) would convert the largest ground-based telescopes now under construction (Giant Magellan Telescope, Thirty Meter...
on Nov 22
From astrobiology.com
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Keith’s note: Astrobiologist Dale Andersen is back in Antarctica at Lake Untersee for another field season of Research (preview). Dale’s work is coordinated through the SETI Institute. We’ll be posting his updates here. You can read about his prior exploits here. Dale: Hi All – cool day today!...
on Nov 16
From astrobiology.com
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Keith’s note: Astrobiologist Dale Andersen is back in Antarctica at Lake Untersee for another field season of Research (preview). Dale’s work is coordinated through the SETI Institute. We’ll be posting his updates here. You can read about his prior exploits here. Keith’s update: Dale just sent...
on Nov 6
From astrobiology.com
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Keith’s note: Astrobiologist Dale Andersen is back in Antarctica at Lake Untersee for another field season of Research (preview). Dale’s work is coordinated through the SETI Institute. We’ll be posting his updates here. You can read about his prior exploits here. Update: Keith’s note: Dale just...
on Nov 5
From astrobiology.com
Database of Candidate Targets for the LIFE Mission - Astrobiology
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We present the database of potential targets for the Large Interferometer For Exoplanets (LIFE)
on Nov 3
From astrobiology.com
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Yesterday’s calm weather allowed us to set up the last WeatherPort for the dive hut and pitch another Heimplanet tent, gradually expanding our camp.
on Nov 3
From astrobiology.com
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Astrobiologist Dale Andersen is back in Antarctica at Lake Untersee for another field season of Research
on Oct 30
From astrobiology.com
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Astrobiologist Dale Andersen is back in Antarctica at Lake Untersee for another field season of research (preview).
on Oct 29
From astrobiology.com
Earth May Have Had A Ring System 466 Million Years Ago - Astrobiology
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Earth may have had a ring system, which formed around 466 million years ago
on Oct 28
From astrobiology.com
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The last few days have been very productive. We’ve gathered all our cargo and gear, packed the traverse sleds, and are ready to head out.
on Oct 26
From astrobiology.com
Creating A Simplified Form Of Life - Astrobiology
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how can lifeless molecules come together to form a living cell?
on Oct 25
From astrobiology.com
Potential Microbial Habitats In Martian Ice - Astrobiology
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Dusty ice exposed at the surface of Mars could provide the conditions necessary for the presence of photosynthetic life
on Oct 23
From astrobiology.com
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Astrobiologist Dale Andersen is heading back to Antarctica – and Lake Untersee for another field season of Research.
on Oct 23
From astrobiology.com
Dale Andersen's Field Report: Preview: 2024 Lake Untersee Field Season - Astrobiology
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Join us as we return to Lake Untersee in Antarctica to explore the hidden world beneath its thick ice, where a microbial ecosystem dominated by cyanobacteria provides a window to the past revealing Earth’s earliest biosphere. Previous field research reports by Dale Anderson going back to 1996...
on Oct 9
From astrobiology.com
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Triton has one of the youngest surfaces of all the icy satellites in the solar system.
on Oct 6
From astrobiology.com
Technosignatures: Effect Of COVID-19 Global Lockdown On Our Moon - Astrobiology
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Systematic investigation of lunar night-time temperatures can possibly be thought as a stable platform to study Earth's radiation budget and climate change as advocated earlier by several researchers.
on Oct 5
From astrobiology.com
Hidden Exoplanets Between The Neptunian Desert And Savanna - Astrobiology
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Astronomers have uncovered the ‘‘Neptunian Ridge’’, a newly identified feature in the distribution of exoplanets.
on Oct 3
From astrobiology.com
The Trans- And Post-Capture Orbital Evolution Of Triton - Astrobiology
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Triton is a unique moon in our Solar System
on Sep 28
From astrobiology.com
Most Super-Earths Have Less Than 3% Water - Astrobiology
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Super-Earths are highly irradiated, small planets with bulk densities approximately consistent with Earth.
on Sep 27
From astrobiology.com
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Transmission spectroscopy has enabled unprecedented insights into the makeup of exoplanet atmospheres.
on Sep 24
From astrobiology.com
Swarming Proxima Centauri: Optical Communication Over Interstellar Distances - Astrobiology
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Interstellar communications are achievable with gram-scale spacecraft using swarm techniques introduced herein if an adequate energy source, clocks and a suitable communications protocol exist.
on Sep 23
From astrobiology.com
Thermal and Magnetic Evolution Of An Earth-like Planet With A Basal Magma Ocean - Astrobiology
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Earth's geodynamo has operated for over 3.5 billion years.
on Sep 11
From astrobiology.com
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The SETI Institute, the Berkeley SETI Research Center and the International Centre for Radio Astronomy Research announced a groundbreaking study using the Murchison Widefield Array (MWA) in Western Australia. Led by Dr. Chenoa Tremblay of the SETI Institute and Prof. Steven Tingay of Curtin...
on Aug 27
From astrobiology.com
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An insect species that evolved 130 million years ago is the inspiration for a new research study to improve navigation systems in drones, robots, and orbiting satellites.
on Aug 23