If our sun had a large binary companion, what would it’s remains look like? Quite possibly the Necklace Nebula. This planetary nebula, which contains the remnants of a sun-like star, was recently discovered in 2005 during the Isaac Newton Telescope Photometric H-alpha Survey (IPHAS).
Sunspots are a phenomena that occur on the surface of the sun and can bee seen as dark spots against the brighter surface. They are very transient in nature – meaning they don’t last very long and change shape rapidly.
A couple of weeks ago, we did a post on 6 incredible pictures of the Sun from space. Since those pictures are indeed pretty incredible, I’m guessing that by now, you’re asking yourself, “Just what is the composition of the Sun anyway”?
Our solar system is a nine planet system and is part of the Milky Way Galaxy. There is a bit of controversy around exactly how many planets there are in the solar system because some astronomers don’t count lowly Pluto.