Earth Science
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Rockets Report: 2023/08/05
Credit: SpaceX This week was a week of highs and lows. SpaceX launched the biggest commercial satellite ever but the last ever Antares 230 also launched. Plus a new radar satellite for Singapore and a bunch of Starlink and Chinese launches.First up is that...
Janus: White Dwarf Edition
The results of science are often weirder than anything humans can imagine. As researchers, we dedicate our lives to taking data and knowing that whatever we may want to believe, we have to accept the reality of what our data shows us. And sometimes the data is...
A new kind of star is discovered
An artist’s impression of the ultra-long period magnetar—a rare type of star with extremely strong magnetic fields that can produce powerful bursts of energy. Credit: ICRAR. The more we look at the universe, the more we’ll be able to find rare and wonderful things. In...
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Un podcast en español de cosmología y astronomía.
Dark “Stars” or galaxies?
JWST initially identified these three objects (JADES-GS-z13-0, JADES-GS-z12-0 and JADES-GS-z11-0) as galaxies in December 2022. Now a team suggests they might be “dark stars,” theoretical objects powered by particles of dark matter annihilating. Credit: NASA/ESA We...
(Big-)Moonless worlds have unstable tilts
Modern-day Mars experiences cyclical changes in climate and, consequently, ice distribution. Unlike Earth, the obliquity (or tilt) of Mars changes substantially on timescales of hundreds of thousands to millions of years. At present day obliquity of about 25-degree...
Perseverance collects a River of Science
Jezero Crater as Seen by ESA's Mars Express Orbiter: This image shows the remains of an ancient delta in Mars' Jezero Crater, which NASA's Perseverance Mars rover will explore for signs of fossilized microbial life. Credit: NASA The remnants of ancient dunes aren’t...
How Rivers Flow: Here, Mars & Titan
This false-color image shows Titan’s second-largest body of liquid, Ligeia Mare, in the moon’s northern hemisphere. Scientists think that rivers flowing into large bodies of liquids like this one should form deltas. Credit: NASA/JPL-Caltech/ASI/Cornell New research...
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How Rivers Flow: Here, Mars & Titan
This false-color image shows Titan’s second-largest body of liquid, Ligeia Mare, in the moon’s northern hemisphere. Scientists think that rivers flowing into large bodies of liquids like this one should form deltas. Credit: NASA/JPL-Caltech/ASI/Cornell New research...
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