Cuán grande es el universo? Sabías que a principios del siglo XX se suponía que era alrededor de 100K años luz de largo? Y hoy? ⤵️
Hoy se estima en 13.8 mil millones de años luz de radio! Una esfera de 46B! Hemos aprendido la verdadera escala de nuestro lugar en el universo, en sólo los últimos 100 años... ⤵️
En 1917 Harlow Shapley utiliza estrellas Cefeidas como referencia y un metodo conocido como paralaje y logra medir el diametro nuestra galaxia ⤵️
In 2 days 23 hrs and less than 50 minutes #NASA will launch officially the science mission of #WEBB, next July 12th at 1430 CEST jwst.nasa.gov/content/webbLa…
Carina Nebula, The Carina Nebula is one of the largest and brightest nebulae in the sky, located approximately 7,600 light-years away in the southern constellation Carina. This is the amazing view from #Hubblehubblesite.org/contents/media…
Some photos I post in @googlemaps quickly get +1K or +10K and a few times more than 100K. For example this picture goo.gl/maps/rDkjqiJS7… got +18K views in barely 5 weeks
Last May 28th was US Memorial Day. In #Paris the Lafayette Escadrille Memorial Cemetery goo.gl/maps/Gdy2aUsLp… was ready for the honours. Some pictures of that day...
This is in memoriam of the pilots that fought for #France in WWI, under French command, until US enters the war: some continued flying under the French colours, others joined the US fighting squadron