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satellite monitoring
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- 1Astronomer turns sinking Starlink satellites into planetary barometer●Astronomer watches Starlink satellites sinking to build a 'planetary barometer'
An astronomer is tracking the gradual orbital decay of Starlink satellites and using that data as a 'planetary barometer', since how quickly the satellites sink depends on the density of the upper atmosphere, which shifts with solar activity. The approach could offer a novel, large-scale way to monitor conditions in Earth's thermosphere using the thousands of spacecraft already in orbit.
- 2UN calls for protection of radio frequencies used in Earth observation▼Radio frequencies vital to Earth observation must be protected: UN
The United Nations is urging that radio frequencies essential to Earth observation be protected. These frequency bands allow satellites to monitor weather, climate and environmental change, and interference could disrupt critical scientific and forecasting services. The appeal, reported by Arab News, highlights growing pressure on spectrum from commercial and communications uses, prompting renewed calls for international coordination to safeguard observation systems.
- 3Combat activity reported in Zawtar Al Sharqiyeh, southern Lebanon●🟡 CombatActivity | 5/10 Combat activity in southern Lebanon Imagery from Zawtar Al Sharqiyeh, southern Lebanon, indicate
Imagery from Zawtar Al Sharqiyeh in southern Lebanon indicates ongoing combat activity in the area, according to open-source monitoring reports dated 5/10. The village sits in a border region that has seen repeated clashes between Israel and Hezbollah. Observers are tracking the fighting through satellite and social media imagery as cross-border hostilities continue.
- 4Weather satellites track oceans and El Niño patterns▼Weather Insider: The satellites studying our oceans and El Niño
A weather explainer is looking at the satellites used to study the world's oceans and monitor El Niño. Coverage focuses on how these spacecraft measure sea surface temperatures and other ocean conditions, which scientists use to track the climate pattern and improve forecasts of its effects on weather around the globe.