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Space

The ultra-faint Milky Way companion galaxy Leo I appears as a faint patch to the right of the bright star, Regulus.

Astrophysicists hunt for second-closest supermassive black hole

Harvard University
Categories Space
New observations of WASP-39b with the JWST have provided a clearer picture of the exoplanet, showing the presence of sodium, potassium, water, carbon dioxide, carbon monoxide and sulfur dioxide in the planet's atmosphere. This artist's illustration also displays newly detected patches of clouds scattered across the planet.

Webb spies an exoplanet atmosphere as never seen before

Harvard University
Categories Space
Light 'between' the groups of galaxies – the 'intra-group light' – however dim, is radiated from stars stripped from their home galaxy. Image: Supplied.

Astronomers observe intra-group light – the elusive glow between distant galaxies

University of New South Wales
Categories Physics & Mathematics, Space
Mars rover Perseverance helped scientists study layered rocks like these in Jezero Crater on the Martian surface. Scientists initially thought they were sedimentary rocks, but further examination showed them to be igneous rocks – solidified lava. These rocks show evidence of interaction with water, but on a limited basis. They date back nearly 4 billion years, giving scientists a window into what conditions on the early planets were like. (Image/NASA/JPL-Caltech/ASU)

Mars was covered by 300 meter deep oceans

University of Copenhagen
Categories Space
The study of the sound speed has revealed that heavy neutron stars have a stiff mantle and a soft core, while light neutron stars have a soft mantle and a stiff core – much like different chocolate pralines.

Cosmic chocolate pralines: General neutron star structure revealed

Goethe University
Categories Physics & Mathematics, Space

Study of ‘polluted’ white dwarfs finds that stars and planets grow together

University of Cambridge
Categories Space
This illustration depicts NASA's Psyche spacecraft. Set to launch in 2023, the Psyche mission will explore a metal-rich asteroid of the same name that lies in the main asteroid belt between Mars and Jupiter. Credits: NASA/JPL-Caltech/ASU

NASA Responds to Critical Review of Psyche Program

NASA/JPL
Categories Space
Artist’s impression of a magnetar in the star cluster Westerlund 1. Credit: ESO/L. Calçada. Source: Wikimedia Commons. CC BY 4.0.

Dead star likely has solid surface

University College London
Categories Physics & Mathematics, Space

I Spy: Tracking CO2 emission reductions from space

Frontiers In
Categories Earth, Energy & Environment, Space, Technology

Meteorite impacts Mars reveal what lies beneath

University of Cologne
Categories Space
There has long been debate in the scientific community about whether Mars had an ocean in its low-elevation northern hemisphere. Using topography data, a Penn State led research team was able to show definitive evidence of a roughly 3.5-billion-year-old shoreline with substantial sedimentary accumulation, at least 900 meters thick, that covered hundreds of thousands of square kilometers.

Ancient ocean discovered on Mars

Penn State
Categories Space
This map shows the size and shape of the ozone hole over the South Pole on Oct. 5, 2022, when it reached its single-day maximum extent for the year.

Ozone hole continues shrinking in 2022, NASA and NOAA scientists say

NASA/JPL
Categories Earth, Energy & Environment, Space
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