Planet Nine might not exist, many astronomers now think

This article is originally published on The Conversation with the title of “Why astronomers now doubt there is an undiscovered 9th planet in our solar system”. Samantha Lawler, University of Regina Planet Nine is a theoretical, undiscovered giant planet in the mysterious far reaches of our solar system. The presence of Planet Nine has been […]

The closest black hole that you can see it even with “naked eye” has been discovered

Well, of course, you cannot see a black hole – but the newly discovered one has two stars orbiting it, and you can see these companion stars even with the naked eye from Earth. The triple system is named HR 6819. Named QV Tel Ab, the inner component of the system is the closest black […]

This is why light pollution in cities is a very bad thing

Do you remember when did you see a sky full of stars last? It’s been many years for me, I even can’t remember when I saw last. A lot of young people didn’t see even once, because of the light pollution in cities, since they were born in cities and probably never went to the […]

Five Moon myths – and how to disprove them yourself

Daniel Brown, Nottingham Trent University This year’s first supermoon will potentially grace the sky on February 9. A supermoon is usually defined as the largest full moon possible. This is a very loose definition and roughly means this happens when the full moon occurs within 10% of its closest to Earth. But in reality, supermoons […]

Fastest human-made object: Parker Solar Probe

On January 29, 2020, during its fourth close approach of the Sun, NASA’s Parker Solar Probe reached a top speed of 244,225 mph (393,042 km/h) or 62.28 miles per second (mi/s) (109.18 kilometers per second) and once again became the fastest human-made object ever built. Despite it seems blazingly fast (and actually it is), it […]