Earth can be a model for detecting vegetation on exoplanets

Back in December 1990, during its flyby of Earth, NASA’s Galileo spacecraft, which studied the planet Jupiter and its moons, as well as several other Solar System bodies, pointed its instruments towards Earth, at the urging of Carl Sagan. And, it has found evidence of life on our planet. This can be a key to detecting …

Spacewalker [Story of the First Spacewalk – Movie]

I recently watched the 2017 Russian film “The Spacewalker”. It tells the story of humanity’s first spacewalk. On March 18, 1965, Soviet cosmonaut Alexei Arkhipovich Leonov stepped out of the Voskhod 2 spacecraft into the void of space and became the first spacewalker ever.

A cosmonaut’s view, just after launching a tiny satellite into the orbit

On August 15, 2018, two Russian cosmonauts aboard the International Space Station performed one of the longest spacewalks in the history of space exploration. During the spacewalk lasting 7 hours and 46 minutes, Expedition 56 Flight Engineers Sergey Prokopyev and Oleg Artemyev manually launched four small technology satellites and installed a German-led animal-tracking project named Icarus …

NASA Has Published Statistics About the World’s Sandy Beaches

NASA has published some interesting statistics about the world’s sandy beaches on the Earth Observatory website. According to the images taken by Landsat satellites (see notes 1) (Landsat 5 and Landsat 8, see notes 2 and 3), about 31 percent of the world’s coastlines are sandy. Africa has the highest proportion of sandy beaches (66 …

Amazing Time-Lapse Video Showing Earth from the ISS

European Space Agency has published an amazing time-lapse video showing the Earth from the International Space Station (ISS). The space agency wrote “Join ESA astronaut Alexander Gerst for a quick flight from the USA to Africa aboard the International Space Station in this time-lapse filmed 12.5 times faster than actual speed.” You can watch that …

18 Largest Islands on Earth

An island or isle is any piece of sub-continental land that is surrounded by water. It is believed that there are over 100,000 islands in the world. It’s difficult to put a figure to the exact number as there are different kinds of them in various water bodies including oceans, seas, lakes, and rivers. There …

Incredible Images of Earth and Moon [Captured by Chinese Satellite]

On his Twitter account, Andrew Jones, a journalist reporting on China’s space program and related activities, has published amazing images of the Earth and the Moon captured from China’s Queqiao lunar communications relay satellite, a key component of Chang’e 4 lunar landing mission.