Dust grains older than the sun found on asteroid Ryugu

You may also be interested [EN VIDÉO] These are all known asteroids in our solar system Look at how many asteroids there are: Here are all the asteroids that astronomers have identified since the first discovery in 1801. The number of discoveries has actually jumped since the end of the 20th century. In 1950, Erwin … Read more

Note James Webb, the farthest known star

You may also be interested [EN VIDÉO] Understand the mission of the James Webb Space Telescope in one minute The James Webb Space Telescope, a new pioneer in space observation, will be launched on December 18 from Kourou, Guyana. After a 29-day journey, you will arrive at the Lagrange point L2, in the opposite direction … Read more

James Webb pairs up at Earendel, the farthest known star

You will also be interested [EN VIDÉO] Understand the mission of the James Webb Space Telescope in one minute The James Webb Space Telescope, a new pioneer in space observation, will be launched on December 18 from Kourou, Guyana. After a 29-day journey, you will arrive at the Lagrange point L2, in the direction opposite … Read more

Even a periodic Big Bang can have a start in time

You will also be interested [EN VIDÉO] Interview: What do we really know before the Big Bang? The Big Bang is often described as a singularity that embodies the origin of the universe, but it is possible that it is just an episode of its existence. Futura-Sciences went to meet with Etienne Klein, a physicist, … Read more

These galaxies cast doubt on the cosmological standard model

You will also be interested [EN VIDÉO] What is dark matter? Dark matter is one of the greatest mysteries of astrophysics. If the particles that make up them really exist, they should enable us to understand the origin of galaxies. But its nature remains a mystery. Stefano Panebianco, Research Engineer at CEA, explains this very … Read more

These dwarf galaxies raise questions about the Standard Model of cosmology

You will also be interested [EN VIDÉO] What is dark matter? Dark matter is one of the greatest mysteries of astrophysics. If the particles that make up them really exist, they should enable us to understand the origin of galaxies. But its nature remains a mystery. Stefano Panebianco, Research Engineer at CEA, explains this very … Read more

The oldest clusters of dark matter observed in the universe are not as expected!

You will also be interested [EN VIDÉO] Plank’s mission secrets The Planck satellite is a formidable time machine, capable of revealing to us many secrets about the origin, structure and composition of the universe. Cosmologists and astrophysicists have used it to map the celestial vault, with unparalleled precision, the temperature and polarization fluctuations of the … Read more

The oldest clusters of dark matter observed in the universe are not as expected!

You will also be interested [EN VIDÉO] Plank’s mission secrets The Planck satellite is a formidable time machine, capable of revealing to us many secrets about the origin, structure and composition of the universe. Cosmologists and astrophysicists have used it to map the celestial vault, with unparalleled precision, the temperature and polarization fluctuations of the … Read more

Dark matter will not behave as expected over 8 billion years ago

You will also be interested [EN VIDÉO] Plank’s mission secrets The Planck satellite is a formidable time machine, capable of revealing to us many secrets about the origin, structure and composition of the universe. Cosmologists and astrophysicists have used it to map the celestial vault, with unparalleled precision, the temperature and polarization fluctuations of the … Read more

Gamma ray bursts can help understand the nature of dark energy

You will also be interested [EN VIDÉO] Playlist: All About the Universe with Jean-Pierre Luminet Renowned astrophysicist Jean-Pierre Luminet talks to us about exoplanets, dark energy and black holes during this series of fascinating interviews compiled as a playlist. The Speed of expansion Universe It can be observed accelerating for a few billion years as … Read more