
NASA/JPL-Caltech/SETI Institute
There is a weird cold spot on Europa, and nobody knows what it is. The first full thermal map of Jupiter’s icy moon has thrown up one spot about 300 kilometres across that seems colder than it ought to be, and we don’t have enough data on the area to figure out why.
Samantha Trumbo at the California Institute of Technology and her colleagues used the Atacama Large Millimeter Array (ALMA), a set of 50 radio telescopes in Chile, to measure the heat radiating from Europa’s …

vCard.red is a free platform for creating a mobile-friendly digital business cards. You can easily create a vCard and generate a QR code for it, allowing others to scan and save your contact details instantly.
The platform allows you to display contact information, social media links, services, and products all in one shareable link. Optional features include appointment scheduling, WhatsApp-based storefronts, media galleries, and custom design options.