2.5K views · 128 reactions | Space is cold, like -454.75 degrees Fahrenheit cold (Brrr 略). But did you know that one of the instruments on JAXA (Japan Aerospace Exploration Agency)’s XRISM satellite thrives in colder temperatures? The Resolve instrument counts X-rays from cosmic sources while operating at just a fraction of a degree above absolute zero — colder than space itself! #FirstDayofWinter | NASA Universe | Facebook

1.9K views · 151 reactions | #TBT to this week in 2005 when JAXA (Japan Aerospace Exploration Agency)’s Suzaku satellite launched bearing X-ray technology developed at NASA - National Aeronautics and Space Administration as part of an ongoing collaboration between the two space agencies. For 10 years it studied the universe's hot spots. Check out some highlights: https://go.nasa.gov/3z73acU | NASA Universe | Facebook