#926 Is there a planet beyond Neptune?
Is there a planet beyond Neptune? It is possible, but there is no way to know for sure until telescope power increases. Neptune was discovered in 1846 and it was…
Is there a planet beyond Neptune? It is possible, but there is no way to know for sure until telescope power increases. Neptune was discovered in 1846 and it was…
What happened to the water on other planets? It was either blown off, evaporated off, or is still there but frozen in ice. The first thing we have to consider…
What will happen to the Voyager spacecraft? Unless they collide with anything, they will probably keep going for several billion years. Voyager 1 is currently 24.3 billion km away from…
Can a binary star system have planets? Yes. There are two types. There are circumbinary planets that orbit both of the stars and there are circumstellar planets that just orbit…
Are all stars inside galaxies? No. There are some stars that are not part of a galaxy. Stars can form outside a galaxy, or they can be kicked out of…
How thick is the atmosphere? The atmosphere is generally considered to be 10,000 km thick. Our atmosphere is made up of gas. It is 78% nitrogen, 21% oxygen, and one…
What is a nebula? It is an enormous cloud of dust and gas in space. The word nebula is a Latin word, and it means “mist or cloud”. You can…
What is a geosynchronous orbit? It is an orbit that exactly matches the rotation of the Earth. A satellite in geosynchronous orbit goes around the Earth at the same speed…
Do other planets have tectonic plates? In our Solar System, Earth is the only planet with tectonic plates, but in other solar systems there will probably be planets the same…
Is a force field possible? In theory, there are several possibilities, such as warping space time, electric fields, directional lasers, a controllable plasma, a magnetic field, and others. We have…