From space.com

• Watch Mars at opposition pass behind the moon this week in these free webcasts
  (Mon, 05 Dec 2022 22:00:32 +0000)
  
  
  
  
• Artemis 1 Orion spacecraft suffered power blip hours before its close lunar flyby
  (Mon, 05 Dec 2022 21:35:00 +0000)
  
  
  
  
• 'Andor' sound and VFX wizards on bringing a grittier 'Star Wars' to life (exclusive)
  (Mon, 05 Dec 2022 20:00:05 +0000)
  
  
  
  
• Construction begins on world's largest radio telescope after decades of preparations
  (Mon, 05 Dec 2022 19:21:55 +0000)
  
  
  
  
• NASA's Artemis 1 moon mission: Live updates
  (Mon, 05 Dec 2022 18:10:30 +0000)
  
  
  
  
• Mars sports massive hidden plume of searing rock
  (Mon, 05 Dec 2022 18:06:26 +0000)
  
  
  
  
• NASA's Lucy asteroid-scouting mission resumes work on solar arrays in deep space
  (Mon, 05 Dec 2022 17:00:01 +0000)
  
  
  
  
• Massive eruption from icy volcanic comet detected in solar system
  (Mon, 05 Dec 2022 16:00:02 +0000)
  
  
  
  
• Peer into the exposed heart of a galaxy in mesmerizing new image
  (Mon, 05 Dec 2022 15:00:27 +0000)
  
  
  
  
• What are spaceports?
  (Mon, 05 Dec 2022 14:00:51 +0000)
  
  
  
  

From Sky & Telescope

• Webb Telescope Surveys a Hot Saturn
  (Fri, 02 Dec 2022 19:29:31 +0000)
  
  A collection of five research studies delve into the atmosphere of exoplanet WASP-39b as astronomers seek to better understand the chemistry of a world beyond the solar system. The post Webb Telescope Surveys a Hot Saturn appeared first on Sky & Telescope.
  
  
• This Week's Sky at a Glance, December 2 – 10
  (Fri, 02 Dec 2022 07:30:00 +0000)
  
  Mars is at opposition this week. And on opposition night December 7-8, Mars is occulted by the perfectly full Moon. Orion enters stage east earlier and earlier, the Summer Triangle sinks west, and Jupiter reigns on high. The post This Week's Sky at a Glance, December 2 – 10 appeared first on Sky & Telescope.
  
  
• New Images Track Clouds on Saturn's Largest Moon
  (Thu, 01 Dec 2022 20:54:09 +0000)
  
  Brand-new images from the James Webb Space Telescope and the Keck Observatory in Hawai'i reveal clouds beneath the haze on this enshrouded moon. The post New Images Track Clouds on Saturn's Largest Moon appeared first on Sky & Telescope.
  
  
• December: Mars in the Spotlight
  (Thu, 01 Dec 2022 07:00:00 +0000)
  
  December's solstice means that for many skywatchers the night will be up to 14 hours long — providing lots of time to enjoy the starry sky. This month’s celestial highlights are the close approach of the Moon and Mars (and, for many, a coverup) on December 7th and the Gemind meteor shower on the December 13th. Our fun and factual Sky Tour podcast provides all the details. The post December: Mars in the Spotlight appeared first on Sky & Telescope.
  
  
• Mars Mesmerizes at December Opposition
  (Wed, 30 Nov 2022 16:55:08 +0000)
  
  It may not be the closest opposition, but this time around Mars arcs high across the sky where good seeing promises sharp views. That's not all. On December 7th, one night before opposition, the full Moon occults the Red Planet! The post Mars Mesmerizes at December Opposition appeared first on Sky & Telescope.
  
  
• Four Stars, Many Eclipses
  (Tue, 29 Nov 2022 17:28:51 +0000)
  
  Stars are most often born as multiples. Now, the TESS telescope has caught one of these multiple systems in a unique setup. The post Four Stars, Many Eclipses appeared first on Sky & Telescope.
  
  
• This Week's Sky at a Glance, November 25 – December 3
  (Fri, 25 Nov 2022 10:01:00 +0000)
  
  Mars is closest to Earth this week, closer and brighter than we'll see it again until 2033. By late evening it's high overhead in excellent telescopic view. The post This Week's Sky at a Glance, November 25 – December 3 appeared first on Sky & Telescope.
  
  
• X-rays Offer View Inside the Black Hole-Powered Plasma Guns
  (Wed, 23 Nov 2022 16:05:00 +0000)
  
  Polarized X-rays are helping astronomers take a closer look at blazars’ “plasma guns,” the particle jets powered by supermassive black holes. The post X-rays Offer View Inside the Black Hole-Powered Plasma Guns appeared first on Sky & Telescope.
  
  
• ­A Celebration of Jay Pasachoff (1943–2022)
  (Tue, 22 Nov 2022 19:48:24 +0000)
  
  Jay M. Pasachoff, Chair of the Astronomy Department, Director of the Hopkins Observatory, and Field Memorial Professor of Astronomy at Williams College in Williamstown, Massachusetts, succumbed to cancer on Sunday morning, November 20th. The post ­A Celebration of Jay Pasachoff (1943–2022) appeared first on Sky & Telescope.
  
  
• A Supernova Hits a Cosmic Speed Bump
  (Mon, 21 Nov 2022 14:15:25 +0000)
  
  Why did a supernova abruptly change color? A recent study suggests a change in ejecta velocity — a cosmic speed bump — might be the culprit. The post A Supernova Hits a Cosmic Speed Bump appeared first on Sky & Telescope.
  
  

GDACS - Global Disaster Alert and Coordination System

• Green earthquake alert (Magnitude 5.9M, Depth:18.411km) in South Of Java, Indonesia 06/12/2022 06:07 UTC, No people affected in 100km.
  (Tue, 06 Dec 2022 06:27:02 GMT)
  
  On 12/6/2022 6:07:48 AM, an earthquake occurred in South Of Java, Indonesia potentially affecting No people affected in 100km. The earthquake had Magnitude 5.9M, Depth:18.411km.
  
  
• Green earthquake alert (Magnitude 5.6M, Depth:35km) in Tonga Islands 05/12/2022 16:19 UTC, Few people affected in 100km.
  (Mon, 05 Dec 2022 16:42:01 GMT)
  
  On 12/5/2022 4:19:23 PM, an earthquake occurred in Tonga Islands potentially affecting Few people affected in 100km. The earthquake had Magnitude 5.6M, Depth:35km.
  
  
• Green earthquake alert (Magnitude 5.7M, Depth:92.976km) in Santa Cruz Islands 05/12/2022 05:35 UTC, 10 thousand in 100km.
  (Mon, 05 Dec 2022 05:53:30 GMT)
  
  On 12/5/2022 5:35:08 AM, an earthquake occurred in Santa Cruz Islands potentially affecting 10 thousand in 100km. The earthquake had Magnitude 5.7M, Depth:92.976km.
  
  
• Green forest fire alert in Central African Republic
  (Tue, 06 Dec 2022 05:00:09 GMT)
  
  On 05/12/2022, a forest fire started in Central African Republic, until 05/12/2022.
  
  
• Green forest fire alert in Australia
  (Tue, 06 Dec 2022 05:00:16 GMT)
  
  On 05/12/2022, a forest fire started in Australia, until 05/12/2022.
  
  
• Green earthquake alert (Magnitude 6.7M, Depth:35.999km) in Samoa Islands Region 04/12/2022 19:24 UTC, Few people affected in 100km.
  (Sun, 04 Dec 2022 19:32:48 GMT)
  
  On 12/4/2022 7:24:15 PM, an earthquake occurred in Samoa Islands Region potentially affecting Few people affected in 100km. The earthquake had Magnitude 6.7M, Depth:35.999km.
  
  
• Green earthquake alert (Magnitude 5.5M, Depth:144.042km) in Southeast Of Loyalty Islands 04/12/2022 19:00 UTC, No people affected in 100km.
  (Sun, 04 Dec 2022 19:18:03 GMT)
  
  On 12/4/2022 7:00:09 PM, an earthquake occurred in Southeast Of Loyalty Islands potentially affecting No people affected in 100km. The earthquake had Magnitude 5.5M, Depth:144.042km.
  
  
• Green earthquake alert (Magnitude 5.5M, Depth:3.623km) in Gabon 04/12/2022 09:53 UTC, Few people affected (in MMI>=VII).
  (Sun, 04 Dec 2022 10:10:32 GMT)
  
  On 12/4/2022 9:53:11 AM, an earthquake occurred in Gabon potentially affecting Few people affected (in MMI>=VII). The earthquake had Magnitude 5.5M, Depth:3.623km.
  
  
• Volcanic eruption is on going for Semeru in Indonesia
  (Sun, 04 Dec 2022 08:24:07 GMT)
  
  Volcano Semeru is emitting ash clouds according to the regional VAAC. The aviation alert level is Orange.
  
  
• Green flood alert in Colombia
  (Tue, 06 Dec 2022 07:00:48 GMT)
  
  On 04/12/2022, a flood started in Colombia, lasting until 05/12/2022 (last update). The flood caused 3 deaths and 0 displaced .
  
  
• Green earthquake alert (Magnitude 5.7M, Depth:112.454km) in Indonesia 03/12/2022 09:49 UTC, 23.6 million in 100km.
  (Sat, 03 Dec 2022 10:08:58 GMT)
  
  On 12/3/2022 9:49:39 AM, an earthquake occurred in Indonesia potentially affecting 23.6 million in 100km. The earthquake had Magnitude 5.7M, Depth:112.454km.
  
  
• Green flood alert in South Africa
  (Mon, 05 Dec 2022 11:00:34 GMT)
  
  On 03/12/2022, a flood started in South Africa, lasting until 04/12/2022 (last update). The flood caused 9 deaths and 0 displaced .