Have you ever wondered how astronomers measure the distance to other objects in the universe? How do they make claims that this nebula is 1,500 light years distance or that galaxy is 2.5 million light ...

Extra stellar systems are so far away from our own that we couldn’t even hope of developing a tape measure long enough to determine how far away they really are. On the other hand, astronomers can ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The parsec is one of the most commonly used distance measurements in astronomy — even more so ...

Now that gravitational waves have been discovered, it is time to put them to use. The Universe is big, and getting bigger all the time. A little-known fact about gravitational waves, the latest ...

Class 11 Physics Notes for Chapter 2 Units and Measurements (Class 11 Physics NCERT textbook) are available here. This part is the continuation of Part I, the topics covered in this part are: Order of ...