Why can’t we Remake the Rocketdyne F-1 Engine, which took humans to the Moon?

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 […]

I was on 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 […]

Watch: Top 10 Tallest Rockets Ever Launched

To able to reach the space, we need rockets. Rocket engines work by action and reaction (“To every action, there is always opposed an equal reaction” Notes 1) and push rockets forward simply by expelling their exhaust in the opposite direction at high speed and can, therefore, work in the vacuum of space. Space rockets are usually […]

Alan Bean, the fourth person to walk on the Moon has died

Alan Bean, the fourth person to walk on the Moon has died today (May 26, 2018). He was the fourth person to walk on the Moon: in November 1969, he spent 10+ hours on the lunar surface during Apollo 12 mission, the sixth manned flight in the United States Apollo program and the second to […]

Earth as seen by Apollo 4

A crescent-Earth photo, by an automatic camera aboard the unpiloted Apollo 4 command module on November 9, 1967, at an altitude of 11,200 miles (18,000 km). Apollo 4, (also known as AS-501), was the first unmanned test flight of NASA’s mighty Saturn V rocket, which was used by the U.S. Apollo program to send the […]

Virtual Moon Tour in 4K Ultra HD

Using data provided by Lunar Reconnaissance Orbiter spacecraft Notes 1 since 2009, NASA has published an amazing virtual Moon tour in 4K Ultra HD Notes 2. As the visualization moves around the near side, far side Notes 3, north and south poles, interesting features, sites, and information gathered on the lunar terrain get highlighted.

Watch: Apollo 16 Liftoff (April 16, 1972)

46 years ago today, on April 16, 1972, the huge, 363-feet (110.6 meters) tall Apollo 16 (Spacecraft 113/Lunar Module 11/Saturn V Notes 1 SA-511) space vehicle was launched from Pad A, Launch Complex 39, Kennedy Space Center, Florida, at 12:54 p.m. EST. Crewed by Commander John W. Young, Lunar Module Pilot Charles Duke Notes 2, and Command Module Pilot […]

Watch: Others Will Follow (Short Sci-Fi Film)

A great short science fiction film, “Others Will Follow”, created and directed by Andrew Finch and published on Vimeo, tells the story of a manned Mars mission. An accident occurs and the spacecraft breaks apart, the last survivor (we don’t see what happens to the rest of the crew, but presumably they have died) manages […]

Top 20 Longest Spacewalks in History

Spacewalking or Extravehicular activity (EVA) is any activity done by an astronaut or cosmonaut outside a spacecraft beyond the Earth’s appreciable atmosphere (a moonwalk is also an EVA). The first skywalker was the Soviet cosmonaut Alexey Arkhipovich Leonov. He became the first human to conduct an extra-vehicular activity (EVA) on March 18, 1965; exiting the capsule during […]

There’s a Memorial to Fallen Astronauts on the Moon

On August 2, 1971, during the third EVA (Extravehicular activity) of Apollo 15 Notes 1 mission, commander David Scott drove the rover away from Lunar Module, where the television camera could be used to observe the lunar liftoff. Then he left a small aluminum statuette called “Fallen Astronaut” next to the rover, which commemorates those astronauts and […]