
The Galaxy That Wears a Ring
At first glance, NGC 6505 looks like a fairly typical elliptical galaxy in the constellation Draco, first spotted way back in the 1800s. […]
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! […]