A 3.5-gallon volume of deep space, specifically within the Milky Way's Orion-Cygnus Arm, would contain approximately 4 million neutrinos and about 13,000 gas atoms, predominantly hydrogen and helium.

Previous studies concluded there were some weird light-generating objects out there, but that doesn't appear to be the case. Reading time 3 minutes To paraphrase the great Nigel Tufnel, when you look ...

Every known planet, moon, and asteroid in our solar system occupies a volume of space both enormous and yet tiny compared to the vast empty gulf between stars. But interstellar space isn't truly empty ...

On March 19, one of NASA's Deep Space Network facilities — located in Canberra, Australia — entered its 60th year of relaying priceless information between scientists on Earth and the spacecraft they ...

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Nilakshi Veerabathina does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations ...

Richard Livitski Seal Beach, California One would think that this excellent question would be easy to answer: A bucket full of "deep space" would contain essentially nothing - and, well, there you are ...