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Home Category Space Astronomy

Astronomy

What is gravitational lensing — and how it helped prove Einstein right

by Paula Ferreira

InSight maps Mars’ composition and chunky core for the first time

Astronomy

InSight maps Mars’ composition and chunky core for the first time

ESO / L. Calçada

Astronomy

Neutron Stars Make Ant Hills Out of Mountains

Scientists develop AI to identify holes in the Sun’s corona

Astronomy

Scientists develop AI to identify holes in the Sun’s corona

by Paula Ferreira

Artist's view of a black hole-neutron star merger. (Carl Knox, OzGrav - Swinburne University)

Astronomy

Neutron Star and Black Hole’s Final Dance Observed for the First Time

Scientists peer back in time to find the birth of the first stars

Astronomy

Scientists peer back in time to find the birth of the first stars

by Paula Ferreira

Chaotic Young Star System Holds the Key to Planet Formation

Astronomy

Chaotic Young Star System Holds the Key to Planet Formation

These images, taken with the SPHERE instrument on ESO’s Very Large Telescope, show the surface of the red supergiant star Betelgeuse during its unprecedented dimming, which happened in late 2019 and early 2020. The image on the far left, taken in January 2019, shows the star at its normal brightness, while the remaining images, from December 2019, January 2020 and March 2020, were all taken when the star’s brightness had noticeably dropped, especially in its southern region. The brightness returned to normal in April 2020. (ESO/M. Montargès et al)

Astronomy

Astronomers Solve the Mystery of Betelgeuse’s ‘Great Dimming’

Astronomers have spotted a giant 'blinking' star towards the centre of the Milky Way, more than 25,000 light years away. An international team of astronomers observed the star, VVV-WIT-08, decreasing in brightness by a factor of 30, so that it nearly disappeared from the sky. While many stars change in brightness because they pulsate or are eclipsed by another star in a binary system, it's exceptionally rare for a star to become fainter over a period of several months and then brighten again. (Amanda Smith, University of Cambridge)

Astronomy

Blinking Giant Star is a Mystery at the Heart of the Milky Way

How did the Oort cloud form? A new simulation reveals its origins

Astronomy

How did the Oort cloud form? A new simulation reveals its origins

by Paula Ferreira

Galactic neighbourhoods have an influence on stellar nurseries

Astronomy

Galactic neighbourhoods have an influence on stellar nurseries

Computer simulation of gravitational wave emissions S. Ossokine, A. Buonanno (Max Planck Institute for Gravitational Physics), Simulating eXtreme Spacetimes project, W. Benger (Airborne Hydro Mapping GmbH)

Astronomy

What are Gravitational Waves?

Ten areas in the sky were selected as “deep fields” that the Dark Energy Camera imaged several times during the survey, providing a glimpse of distant galaxies and helping determine their 3D distribution in the cosmos.

Astronomy

Astronomers map over 100 million galaxies to crack dark matter and dark energy puzzle

Comets have a heavy metal atmosphere

Astronomy

Comets have a heavy metal atmosphere

What are Black Holes: The Journey From Theory to Reality

Astronomy

What are Black Holes: The Journey From Theory to Reality

This image shows an artist’s impression of what the surface of the 2I/Borisov comet might look like. 2I/Borisov was a visitor from another planetary system that passed by our Sun in 2019, allowing astronomers a unique view of an interstellar comet. While telescopes on Earth and in space captured images of this comet, we don’t have any close-up observations of 2I/Borisov. It is therefore up to artists to create their own ideas of what the comet’s surface might look like, based on the scientific information we have about it. (SO/M. Kormesser)

Astronomy

Interstellar visitor 2I/Borisov is the most pristine comet ever observed

The Event Horizon Telescope (EHT) collaboration, who produced the first ever image of a black hole released in 2019, has today a new view of the massive object at the centre of the Messier 87 (M87) galaxy: how it looks in polarised light. This is the first time astronomers have been able to measure polarisation, a signature of magnetic fields, this close to the edge of a black hole. (EHT Collaboration)

Astronomy

Black Hole Seen Clearly in Historic New Direct Image

Jupiter’s Supersonic Stratospheric Winds Make it a Unique Beast

Astronomy

Jupiter’s Supersonic Stratospheric Winds Make it a Unique Beast

Artist’s Impression of GJ 1132 b

Astronomy

The Exoplanet that grew a second atmosphere

This artist’s impression shows how the distant quasar P172+18 and its radio jets may have looked. To date (early 2021), this is the most distant quasar with radio jets ever found and it was studied with the help of ESO’s Very Large Telescope. It is so distant that light from it has travelled for about 13 billion years to reach us: we see it as it was when the Universe was only about 780 million years old. (ESO)

Astronomy

Astronomers have discovered the most distant radio signal ever

A Snapshot of Gliese 486b's journey around its parent star (Render Area)

Alien life

Nearby Super-Earth could be perfect for atmospheric investigation

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© 2007-2019 ZME Science - Not exactly rocket science. All Rights Reserved.