Category Archives: Astronomy

The first earthrise ever seen directly by humans

On December 24, 1968, the crew of Apollo 8, the second human spaceflight mission in the US Apollo space program, were the first humans to witness Earthrise. The “Earthrise” is photographed by astronauts on board Apollo 8. It is one of the most famous photos ever taken and became the symbol of one the greatest explorations in history: human’s first journey to another world, and then the crewmembers looking back, saw their home planet.
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NASA needs your help to identify cities in the night images

Since the “space age” has started in the early 1960s, astronauts have taken more than 1.8 million photographs of the Earth from orbit, and about one-third of them (approximately 600,000) have been taken at night. But they don’t always know what they are looking at. You can help, announced NASA.
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Will We Ever Visit Other Stars?

The Earth is our one and only home. As Carl Sagan said (Pale Blue Dot: A Vision of the Human Future in Space), “On Earth, everyone you love, everyone you know, everyone you ever heard of, every human being who ever was, lived out their lives. The aggregate of our joy and suffering, thousands of confident religions, ideologies, and economic doctrines, every hunter and forager, every hero and coward, every creator and destroyer of civilization, every king and peasant, every young couple in love, every mother and father, hopeful child, inventor and explorer, every teacher of morals, every corrupt politician, every “superstar,” every “supreme leader,” every saint and sinner in the history of our species lived there – on a mote of dust suspended in a sunbeam.”.

But will we ever leave our home and visit other stars in future?
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Pale Blue Dot

The farthest spacecraft from Earth, Voyager 1[1], took a photo of planet Earth in 1990, from a record distance of about 6 billion kilometers (3.7 billion miles, 40 AU) from Earth. The photo known as the Pale Blue Dot. In the photograph, Earth is shown as a fraction of a pixel (0.12 pixel in size) against the vastness of space. It was a part of the solar system Family Portrait series of images.
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