If you’re just getting into the world of amateur astronomy, you might be a bit inundated with the myriad of different options available in terms of telescopes. Right off the bat, you’ll have to choose whether you want a reflecting, refracting, or catadioptric telescope, and within each of these three main telescope types, there are … Read more
As an amateur astronomer, you might be overwhelmed when you discover the sheer amount of different telescopes available to you. There are three main types of telescopes to choose from (refracting telescopes, reflecting telescopes, and catadioptric telescopes), and within these three main types, there are dozens of different subtypes. Maksutov-Cassegrain and Dobsonian telescopes are two … Read more
Snowball Earth, the period of the planet’s history during which it experienced a total freeze over of its surface, is thought to have been caused by a rapid decrease in sunlight. This decrease in sunlight, though not entirely explained, could have forced the planet into an extreme icy state, covering the Earth in a sheet … Read more
If the Moon had a submoon, then it would orbit the Moon like moons orbit planets, governed by the same gravitational and other physical laws. A submoon of the Moon could only exist sustainably in a limited region of space between the Moon and Earth, with orbit and spin determined largely by the Moon. Outside … Read more