Thursday, September 15, 2022

Astronomers may be getting Webb Space Telescope exoplanet measurements wrong

Created for znamenski.spacecom@blogger.com |  Web Version
September 15, 2022
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The Launchpad
Sun halo on Mars! This Martian sky sight spotted by Perseverance rover was once thought to be impossible
(NASA/JPL-Caltech/Mark Lemmon)
Despite decades of robotic explorers on the surface of Mars capturing countless thousands of photographs of the skies, scientists hadn't seen any sign of a sun halo - until now.
Full Story: Space (9/15) 
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Astronomers may be getting Webb Space Telescope exoplanet measurements wrong
(ESA/Hubble, N. Bartmann)
Compositions of exoplanet atmospheres may be skewed because models don't match James Webb Space Telescope's precision.
Full Story: Space (9/15) 
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Wow! Shiny SpaceX Starlink satellites soar in front of glowing aurora (video)
(The Aurora Chasers)
The SpaceX Starlink satellites had launched a few days earlier and were very visible flying low over Alaska.
Full Story: Space (9/15) 
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POLL QUESTION:
NASA's Perseverance rover has spotted a sun halo, a phenomenon scientists had lost hope of ever seeing on Mars. Another form of sun halo, called a parhelion, has what other animal-inspired name?
Learn the answer here!
VoteSolar penguin
VoteCorona cat
VoteSundog (or sun dog)
VoteHeliohorse
Just the Facts, Ma'am
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Skywatching
Brilliant green meteor lights up the skies over United Kingdom (video)
(Paul M.)
The best views came from Scotland, northern Ireland and the coast north of Manchester.
Full Story: Space (9/15) 
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Science & Astronomy
A Month on 'Mars': Countdown to departure
(Rod Pyle)
Flights across the region have been held up by the adverse weather conditions, so we're not sure when we'll be leaving. Until then, we will wait.
Full Story: Space (9/15) 
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European sun probe sees carbon dioxide escaping Venus' atmosphere
(ESA)
The European sun-observing Solar Orbiter spacecraft doubles up as a Venus explorer, providing the most detailed measurements of the scorched planet's magnetic field to date. The data might help reveal how the solar wind changes the planet's thick atmosphere over millions of years, scientists said.
Full Story: Space (9/15) 
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Spaceflight
Watch Rocket Lab launch a radar satellite to orbit today
(Rocket Lab)
Rocket Lab will launch a radar satellite Thursday (Sept. 15) and you can watch the action live.
Full Story: Space (9/15) 
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Telescopes & Binoculars
Celestron StarSense Explorer LT 114AZ telescope review
(Jamie Carter)
The entry-level for Celestron's excellent StarSense sky recognition app-aligned telescopes is a decent option for observing the moon and planets but lacks the quality in both build and optics to impress with galaxies, nebulae and star clusters.
Full Story: Space (9/15) 
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Star Wars
The Force is strong with new trailer for 'Star Wars: Tales of the Jedi' animated anthology
(Disney)
If you're a "Star Wars" fan, this is a glorious time to be alive.
Full Story: Space (9/15) 
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Star Trek
Star Trek: Lower Decks and Discovery have ruined the original series for me
(Paramount)
Sci-fi owes a lot to classic Star Trek, but some of it aged quite poorly, and the new shows only served to highlight that to us.
Full Story: Space (9/15) 
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