The symbols of the planets, Moon and Sun are used in both astronomy and astrology. The symbol for Pluto is made from a monograph of the first two letters in the word PLuto. It’s also from the initials of the astronomer Percival Lowell, who predicted that the planet would be found through its gravitational influence on Neptune and Uranus. Of course, Pluto is not a planet anymore.
When astrophysicists observe the cosmos, they see different types of black holes. They range from…
Even though Venus and Earth are so-called sister planets, they're as different as heaven and…
The Gum Nebula is an emission nebula almost 1400 light-years away. It's home to an…
Earth is naked without its protective barrier. The planet's magnetic shield surrounds Earth and shelters…
No human being will ever encounter a black hole. But we can't stop wondering what…
The Sun is increasing its intensity on schedule, continuing its approach to solar maximum. In…