The comet Comet C/2023 A3 Tsuchinshan-ATLAS, or simply comet A3, was first detected in January 2023 at an observatory in China. This October, its journey brings it to perihelion, meaning its closest distance to the Sun, and it is so bright that it has provided many charming evenings for night sky enthusiasts, just after sunset during twilight. […]
“Where is everybody?” wondered Enrico Fermi in 1950, trying to understand why we haven’t found life beyond Earth. […]
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. […]
A distant planet known for its terrible weather, according to a new study, also emits the smell of rotten eggs. […]
Captain GG and his friends decided to go to Almeria to see the Calar Alto telescopes, do some astro-tourism, taste Spanish tapas, and enjoy the sea and the sun. […]