The NASA Mars rover launch in 2020

A team of scientists and engineers shared some characteristics and the NASA rover sent to Mars in 2020 should look for signs of past life, collect samples for probable arrival to Earth, and test technology for future human exploration of the Red Planet, along with a new statement from the U.S. space agency.

Large sunspot group

In the Academy of Sciences astro photographers circle he was not previously active, even more warmly now our "Welcome". On 7 July this year, he managed the mosaic of an interesting area to a large sunspot group (AR 1785). He used a Meade Refractor (ED 152 mm with 3x Barlow lens) and as a DMK camera 21AU618.AS. At 3657 mm effective focal length (aperture 24) the frames of the video sequence were exposed to 0.2 ms. 

The Great Wall of China is not can be seen from space

One of the most popular spatial myths is that the Great Wall is the only man that can be seen from space. Well, not true. The reality is you cannot easily see the Great Wall from low Earth orbit to the naked eye. And rightly the Apollo astronauts could not see it from the moon, despite the urban legend has spread widely.