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Archive for the Space Exploration category

October 14, 2020

Juno Flight

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NASA dicit:

This video uses images from NASA’s Juno mission to recreate what it might have looked like to ride along with the Juno spacecraft as it performed its 27th close flyby of Jupiter on June 2, 2020.

During the closest approach of this pass, the Juno spacecraft came within approximately 2,100 miles (3,400 kilometers) of Jupiter’s cloud tops. At that point, Jupiter’s powerful gravity accelerated the spacecraft to tremendous speed – about 130,000 mph (209,000 kilometers per hour) relative to the planet.

Citizen scientist Kevin M. Gill created the video using data from the spacecraft’s JunoCam instrument. The sequence combines 41 JunoCam still images digitally projected onto a sphere, with a virtual “camera†providing views of Jupiter from different angles as the spacecraft speeds by.

Video credit: NASA/JPL-Caltech/SwRI/MSSS/Kevin M. Gill

 

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September 23, 2020

OSIRIS-REx and Bennu

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Wikipedia dicit:

Using data collected by NASA’s OSIRIS-REx mission, this animation shows the trajectories of particles after their emission from asteroid Bennu’s surface. The animation emphasizes the four largest particle ejection events detected at Bennu from December 2018 through September 2019. Additional particles, some with lifetimes of several days, that are not related to the ejections are also visible.

Video credit: M. Brozovic/JPL-Caltech/NASA/University of Arizona

 

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September 1, 2020

Lucy

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NASA dicit:

NASA’s Lucy mission is launching in 2021 and will fly by seven different Trojan asteroids that are orbiting the same distance from the Sun as Jupiter. This video highlights the four main science objectives and the instruments aboard the spacecraft that will be utilized. Lucy will be the first space mission to study the Trojan asteroids, which are remnants of our early solar system.

Video credit: NASA’s Goddard Space Flight Center/Produced & Edited by: David Ladd (USRA)/Animations by: David Ladd (USRA), Walt Feimer (KBRwyle), Jacquelyn DeMink (USRA), Michael Lentz (USRA), Jonathan North (USRA)/Music: “Feels Good” – Wally Gagel & Xandy Barry [ASCAP], provided by Universal Production Music

 

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Wikipedia dicit:

The International Space Station (ISS) is a modular space station (habitable artificial satellite) in low Earth orbit. It is a multinational collaborative project between five participating space agencies: NASA (United States), Roscosmos (Russia), JAXA (Japan), ESA (Europe), and CSA (Canada). The ownership and use of the space station is established by intergovernmental treaties and agreements. The ISS program evolved from the Space Station Freedom, an American proposal in the 1980s to construct a permanently crewed Earth-orbiting station.

The ISS serves as a microgravity and space environment research laboratory in which scientific experiments are conducted in astrobiology, astronomy, meteorology, physics, and other fields. The station is suited for testing the spacecraft systems and equipment required for possible future long-duration missions to the Moon and Mars. It is the largest artificial object in space and the largest satellite in low Earth orbit, regularly visible to the naked eye from Earth’s surface. It maintains an orbit with an average altitude of 400 kilometres (250 mi) by means of reboost manoeuvres using the engines of the Zvezda Service Module or visiting spacecraft. The ISS circles the Earth in roughly 93 minutes, completing 15.5 orbits per day.

The station is divided into two sections: the Russian Orbital Segment (ROS), operated by Russia; and the United States Orbital Segment (USOS), which is shared by many nations. Roscosmos has endorsed the continued operation of ISS through 2024, but had previously proposed using elements of the Russian segment to construct a new Russian space station called OPSEK. As of December 2018, the station is expected to operate until 2030.

Video credit: NASA

 

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July 27, 2020

Getting Perseverance Ready for Travel

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NASA dicit:

In February 2020, NASA’s Perseverance Rover began its long journey to Mars by first traveling across the United States. The rover was built at NASA’s Jet Propulsion Laboratory in Southern California and then carefully packed and flown to NASA’s Kennedy Space Center in Cape Canaveral, Florida. There, engineers integrated the rover with the spacecraft that carries it to Mars, and the Atlas V rocket chosen to send it on its way.

Video credit: NASA Jet Propulsion Laboratory

 

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May 22, 2020

Orion

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NASA dicit:

The Orion Multi-Purpose Crew Vehicle (Orion MPCV) is a class of partially reusable space capsule planned to be used after 2021 in NASA’s human spaceflight programs. The spacecraft consists a Crew Module (CM) manufactured by Lockheed Martin and the European Service Module (ESM) manufactured by Airbus Defence and Space. Capable of supporting a crew of six beyond low Earth orbit, Orion can last 21 days undocked and up to six months docked. It is equipped with solar power, an automated docking system, and glass cockpit interfaces modeled after those used in the Boeing 787 Dreamliner. A single AJ10 engine provides the spacecraft’s primary propulsion, while eight R-4D-11 engines, and six pods of custom reaction control system engines developed by Airbus, provide the spacecraft’s secondary propulsion. Although compatible with other launch vehicles, Orion is primarily designed to launch atop a Space Launch System (SLS) rocket, with a tower launch escape system.

Orion was originally conceived by Lockheed Martin as a proposal for the Crew Exploration Vehicle (CEV) to be used in NASA’s Constellation program. Lockheed Martin’s proposal defeated a competing proposal by Northrop Grumman, and was selected by NASA in 2006 to be the CEV. Originally designed with a service module featuring a new “Orion Main Engine” and a pair of circular solar panels, the spacecraft was to be launched atop the Ares I rocket with either a traditional launch escape system or the experimental Max Launch Abort System equipped. Following the cancellation of the Constellation program in 2010, Orion was heavily redesigned for use in NASA’s Journey to Mars initiative; later named Moon to Mars. The SLS replaced the Ares I as Orion’s primary launch vehicle, and the service module was replaced with a design based on the European Space Agency’s Automated Transfer Vehicle. A development version of Orion’s CM was launched in 2014 during Exploration Flight Test-1, while at least four test articles have been produced. As of 2020, three flight-worthy Orion spacecraft are under construction, with an additional one ordered for use in NASA’s Artemis program; the first of these is due to be launched in 2021 during Artemis 1.

Video credit: Lockheed Martin

 

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