Stargazers won't need any special equipment to view the four-planet alignment as it will be visible to the naked eye. However, if you have a telescope, you can spot two additional planets, Uranus and ...
21. Since all planets orbit the sun on the same plane — called the ecliptic — planets are always aligned. Whether planets are visible or not depends on our changing perspective. As Earth ...
Hot Jupiters are planets with masses similar to that of Jupiter, but orbit close to their star, at a much smaller distance than Mercury is to the Sun ... seemed all the more solid as there ...