Brightest object in the universe swallows a Sun every day

You’d assume that the brightest object in the known universe would be a pretty easy thing to discover, but astronomers have only just spotted it. This overlooked show-off is a supermassive black hole with the mass of 17 billion Suns, and counting – it … Continue reading Brightest object in the universe swallows a Sun every day

Titanium clouds glitter on shiniest exoplanet ever found

Collectors of trading cards or Pokémon are always on the hunt for super-rare shiny variants – and now astronomers have found the exoplanet equivalent. The shiniest planet ever found, LTT9779 b, is an ultra-hot, cosmic disco ball thanks to clouds made o… Continue reading Titanium clouds glitter on shiniest exoplanet ever found

20kW Light Is As Bright As You’d Expect

[Photonicinduction] purchased a very very bright light. This 20,000 Watt half meter tall halogen will just about light the back of a person’s skull with their eyes closed. These are typically used to light film sets.

Most people couldn’t even turn such a light on, but [Photonicinduction] is a mad scientist. Making lightning in his attic, it’s easy to mentally picture him as the villain in a Sherlock Holmes novel. Luckily for us, if he has any evil tendencies, they are channeled into YouTube videos.

He gives a good description of the mechanical and electrical properties of the light. The …read more

Continue reading 20kW Light Is As Bright As You’d Expect