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Letter: Are Charlestown's dark skies important? | Letters to Editor

Writing to the Charlestown Town Council in support of our town’s lighting ordinance, Dr. Giovanni Fazio, who is Senior Physicist at the Harvard Smithsonian Center for Astrophysics and a visitor ....

Giovanni Fazio , Harvard Smithsonian Center , Charlestown Town Council , Ninigret National Wildlife Refuge , Nantucket Maria Mitchell Association , Massachusetts Institute Of Technology , Senior Physicist , Frosty Drew Observatory , Massachusetts Institute , Infrared Array Camera , Frosty Drew , Science Speaker ,

10 Reasons To Get Really Excited About Trappist-1

With the seemingly endless headlines surrounding the discovery of seven new Earth-size planets revolving about the star TRAPPIST-1, one may be wondering, ....

United States , United Kingdom , Amaury Triaud , Seth Shostack , Sara Seager , Michael Gillon , Jamie Frater , Nikole Lewis , Space Telescope Science Institute In Baltimore , University Of Liege , University Of Cambridge , Atmospheres Lacking Thick Hydrogen Layers , Lacking Thick Hydrogen , Combined Presence Of Ozone And Methane , Last Longer , Potential Insights Into Planet Formation , Clearer Vision Of Distant , Greatness Of Nasa , Spitzer Space Telescope Has Been , Spitzer Space Telescope , Infrared Array Camera , Infrared Spectrograph , Multiband Imaging Photometer , Years Away From Earth , Platform From Which To Better Understand , Space Telescope Science Institute ,

No thick carbon dioxide atmosphere on the rocky exoplanet TRAPPIST-1 c

Seven rocky planets orbit the nearby dwarf star TRAPPIST-1, providing a unique opportunity to search for atmospheres on small planets outside the Solar System1. Thanks to the recent launch of the James Webb Space Telescope (JWST), possible atmospheric constituents such as carbon dioxide (CO2) are now detectable2,3. Recent JWST observations of the innermost planet TRAPPIST-1 b showed that it is most probably a bare rock without any CO2 in its atmosphere4. Here we report the detection of thermal emission from the dayside of TRAPPIST-1 c with the Mid-Infrared Instrument (MIRI) on JWST at 15 µm. We measure a planet-to-star flux ratio of fp/f⁎ = 421 ± 94 parts per million (ppm), which corresponds to an inferred dayside brightness temperature of 380 ± 31 K. This high dayside temperature disfavours a thick, CO2-rich atmosphere on the planet. The data rule out cloud-free O2/CO2 mixtures with surface pressures rang ....

Safe Si , Space Telescope Science Institute , Extended Data Table , Extended Data , Mikulski Archive , Space Telescopes , Spitzer Space Telescope , Calibration References Data System , Markov Chain , Infrared Array Camera , Solar System ,

Could We Resurrect the Spitzer Space Telescope?

NASA's Spitzer Space Telescope was in high-demand when it was shut down in 2020. A new mission might bring it back to life. ....

United States , Spitzer Resurrector , Shawn Usman , Giovanni Fazio , Department Of The Air Force , Spitzer Resurrector Mission , Service Assembly , Small Business Technology , United States Space Force , Space Telescope , Chandrax Ray Observatory , Compton Gamma Ray , Rhea Space , Rhea Space Activity , Small Business Technology Transfer , Space Activity , Near Earth Objects , In Space Service Assembly , Air Force , Spitzer Space Telescope , Great Observatory , Hubble Space Telescope , Spitzer Space , Principal Investigator , Infrared Array Camera ,

A private company has an audacious plan to rescue NASA's last "Great Observatory"

"I think it would be pretty ambitious. but really great if we could pull it off." ....

White House , District Of Columbia , United States , Jared Issacman , Shawn Usman , Giovanni Fazio , Spitzer Resurrector , Howard Smith , Johns Hopkins University Applied Physics Laboratory , Department Of Defense , Harvard University , Us Space , Lockheed Martin , Blue Sun Enterprises , Northrop Grumman , Space Telescope , Spitzer Space Telescope , Rhea Space Activity , Smithsonian Astrophysical Observatory , Space Activity , Infrared Array Camera , Rhea Space , Crew Dragon , Hubble Space ,