This spiral galaxy, NGC 2841, is helping NASA solve a huge mystery: why do galaxies look so smooth, with such an even distribution of stars?
According to NASA, studying NGC 2841 has helped an international team of astronomers discover that stars flow out of the "hot, dense nurseries" and then disperse to form the smooth distribution pattern that we usually see in similar spiral galaxies. This image is a composite of three different images from the Spitzer Space Telescope. The shorter wavelengths are represented in blue, and the show the oldest stars, plus foreground stars in our own galaxy. Green represents the medium wavelengths, and red is the longest wavelengths. [Spitzer Space Telescope]
Cryptocurrencies have opened up a whole new world of opportunities in the financial markets. They have been touted as the currency of the future. This new form of currency has already permeated the market, and many smart traders are making a pretty penny off the different types of cryptocurrencies. As you are aware, traders who invested in Bitcoin back in 2009 got ROIs thousands of times their initial investments. You, too, should consider taking advantage of the cryptocurrency craze. Read more
Color photographs appeared in the middle of the XIX century but were available only to a very narrow privileged circle of people. Therefore, it is normal if the family stores black and white photographs of relatives of those years. Many even like to review them again and again as old cards can awaken special feelings and memories, transfer through time. Read more
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