pale blue dot
The mighty Saturn V, the rocket that took humans to the moon, remains the tallest, heaviest, and most powerful rocket ever brought to operational status (as of 2018). It was used by NASA between 1967 and 1973. It was powered by five Rocketdyne F-1 engines. With a thrust of 1,746,000 lbf (7,770 kN) in vacuum …
Continue reading “Why can’t we Remake the Rocketdyne F-1 Engine, which took humans to the Moon?”
On July 20, 2018 (on the 49th anniversary of the moon landing), Linn LeBlanc, Chief Operating Officer at Buzz Aldrin Ventures, LLC asked on Twitter that: “Where were you 49 years today when @TheRealBuzz and Neil Armstrong made those historic first steps onto the Moon. Congratulations to the #Apollo11 crew and to the thousands that …
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 …
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NASA has published an amazing video titled “Sounds of Saturn: Hear Radio Emissions of the Planet and Its Moon Enceladus”. The analysis of the data from the Cassini Spacecraft’s Grand Finale orbits showed a surprisingly powerful interaction of plasma waves moving from Saturn to its icy moon Enceladus. Researchers converted the recording of plasma waves …
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 …
Russia’s Progress 70 resupply spacecraft set a milestone for International Space Station operations when it arrived in a record time: just three hours and 40 minutes, or only two Earth orbits (of the ISS). The uncrewed spacecraft delivered the cargo which includes 530 kg of propellant, 52 kg of oxygen gas, 420 kg of water, …
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European Space Agency (ESA) has published the complete Rosetta image archive under a Creative Commons license, which means the complete archive is freely available: you can copy, share, and tweak the content.
In a video published by the European Space Agency on Twitter, retired American astronaut Scott Kelly describes seeing Earth from space for the first time.
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.
NASA Astronaut Ricky Arnold published an amazing “selfie” from space on his Twitter account saying “An amazing view of our one and only planet”. He took this selfie during the May 16, 2018 spacewalk to perform upgrades on the International Space Station. We can see the Earth, the beautiful blue marble, reflecting on his helmet’s …
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