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#atmosphere

9 posts8 participants0 posts today
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Mikko Tuomi

Cassini’s observations of #Titan’s #atmosphere are exemplary benchmarks for #exoplanet atmospheric studies.

Multiple hydrocarbons can be “retrieved” depending on the selections made ahead of a retrieval but the estimates of parameters such as the abundance of key absorbers like methane can be biased by a factor of three.

This shows that the implicit molecular detections made pre-retrieval to avoid retrieving for hundreds of molecules at a time can bias a large range of parameters.

Molecules may have many lookalikes, so essentially spectral identification tends to yield what scientists are looking for.

#astrobiology #astronomy
astrobiology.com/2025/06/the-d

Molecules may have many lookalikes. Overview of the absorption cross sections for hydrocarbons taken from PNNL (Sharpe et al. 2004) and included in HITRAN2024 database (Hargreaves et al. 2025). The y-axis provides the logarithm of intensity, with each absorption cross section offset for display purposes. A minimum intensity of 1.0×10−21 cm2 /molecule has been applied for each molecule.
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BellingenNSW

"Deeply concerning" - Israel's strike on an Iranian nuclear facility

"The International Atomic Energy Agency’s (IAEA) Director General Rafael Mariano Grossi delivered a statement to the IAEA Board of Governors on the situation in the Islamic Republic of Iran on 13 June 2025." >>
youtube.com/watch?v=5Yc6j9fESI

"Israel expanded its surprise campaign against its main rival with a strike on the world's biggest gas field. Nuclear talks cancelled as attacks expand to gas fields in Israel-Iran war."
abc.net.au/news/2025-06-15/isr
#IAEA #radioactivity #nuclear #NPT #war #contamination #atmosphere #pollution #climate

YouTubeVideo: IAEA Director General’s Statement on the Situation in IranBy IAEAvideo
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Yehuda TurtleIsland.social

Beyond Bluesky: These are the apps building social experiences on the AT Protocol

Today, Bluesky’s social network has grown to over 36.5 million users [6.59 million unique users active in the last 30 days], while the technology it’s built upon — the AT Protocol (or ATProto for short) — is being used to develop dozens more applications designed to work together as part of an open social web.

#Mastodon #Fediverse #Bluesky #ATmosphere
techcrunch.com/2025/06/13/beyo

TechCrunch · Beyond Bluesky: These are the apps building social experiences on the AT Protocol | TechCrunch
More from Sarah Perez 💙
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Yehuda TurtleIsland.social

The #Fediverse and #ATmosphere run on hashtags. For Native/Indigenous users, just adding #Native and #Indigenous to your posts will go a long way to reaching community.

Using and following hashtags are a critical part of the #Mastodon #Bluesky experience. This is a list of the hashtags I recommend all Native/Indigenous people use and follow.

Hey if you know any Native/Indigenous hashtags that should be added to this list, reply here, include the # - Mvto!
turtleisland.blog/native-indig

TurtleIsland.blogNative Indigenous Fediverse ATmosphere Hashtags - TurtleIsland.blogNotice: I am NOT suggesting non-Native/Indigenous, non-BIPOC people post with most of these hashtags. Follow, ally, educate yourself, etc. but don't appropriate is always good advice for allies. Using and following hashtags are a critical part of the Fediverse and ATmosphere experience. This is a
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