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 ...

Outer space is infinite, but the parts of space most important to life on Earth are becoming increasingly congested. Satellites vital for infrastructure, economy, and security are filling up the ...

When astronomers stare into the deep universe or at the spectra of a distant star subtly hiding an exoplanet, they need to account for its movement. That relies on two phenomena — redshift and ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Astronomers have directly measured a blazing-bright object on the opposite side of the Milky Way, ...

When we observe the night sky, the planets, stars and galaxies appear to be close together. We know that some objects are closer to the Earth than others and that enormous distances separate us from ...

In an image, estimating the distance between objects and the camera by using the blur in the images as clue, also known as depth from focus/defocus, is essential in computer vision. However, ...