EOS is a molecular cloud with low hydrogen density that was detected through ultraviolet fluorescence. It is located at the edge of the Local Bubble and spans an area of the sky equivalent to 40 full moons. This is a significant discovery that may reshape the way we study molecular clouds. […]
A cosmic bridge of gas connects two massive galaxy clusters, A399 and A401. With the help of the XMM-Newton satellite, scientists shed light on their hidden interaction, revealing the early stage of a galactic collision. […]
At first glance, NGC 6505 looks like a fairly typical elliptical galaxy in the constellation Draco, first spotted way back in the 1800s. […]
Adrianos: These days (September 2024), everyone says that Mercury is moving backward.
98 Ianthi: You who live on Earth only see Mercury and Venus going ‘backward’ in the two-dimensional sky?
431 Nefeli: We, who live in the main asteroid belt, often see Earth going retrograde too.
Adrianos: In general, if someone lives on planet Y, all the planets located between the Sun and planet Y appear to be the beings living on Y to be moving backward. […]
Scientists have found that the geochemical composition of the planet Mercury, which is very similar to that of rocky areas of the Troodos Mountains in Cyprus! […]