One of the goals of the James Webb Space Telescope, launched in 2022, is to make infrared observations of the composition of distant galaxies in the first billion years of the universe.

The current theoretical model for the composition of the universe is that it's made of normal matter, dark energy and dark matter. A new University of Ottawa study challenges this. A study ...

Understanding these mechanisms is crucial to unraveling the mysteries of dark matter and dark energy, which dominate the composition of the Universe.

This extrapolation depends on the current density and composition of the universe, which shows the history of its expansion. In 2012 NASA’s Wilkinson Microwave Anisotropy Probe used that data to ...

Astronomers have performed the most precise measurement of the composition of the universe yet using decades of supernovae observations. However, this comprehensive analysis still can't answer one ...

Yet again, their results confirm the ΛCDM model’s composition. According to their results, the universe is made out of: ・about 5% normal matter; this is everything we would normally call ...

The basic chemical composition of these stars suggests they are all between 12 and 13 billion years old, making them almost as old as the universe itself, which formed around 13.8 billion years ago.

The composition of these stars offers a window ... (For comparison, the universe itself is estimated to be 13.8 billion years old.) Today, the LMC is about 160,000 light-years away, but the ...

A Stony Brook University professor and a trio of grad students took part in a scientific collaboration that produced the clearest, most precise images of the universe’s infancy, including the ...

Paul Rand: And will there ever be a point where you would expect the universe to stop expanding? Wendy Freedman: That would depend on the composition of the universe. So if the density of matter were ...

Their chemical composition is so simple that we can treat ... is that there are no first-generation stars left in the universe. Without heavier metals to increase their core density, these ...