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Archive for the ‘satellites’ category: Page 49

Jan 8, 2023

Remains of retired NASA satellite that spent 38 years in service set to fall on Earth

Posted by in category: satellites

“The 5,400-pound satellite will reenter the atmosphere at approximately 6:40 pm EST on Sunday, January 8,” with no risk to humans.

National Aeronautics and Space Administration’s (NASA) defunct satellite is poised to hit the ground on Sunday.

“The Department of Defense predicted that the 5,400-pound satellite will reenter the atmosphere at approximately 6:40 p.m. EST on Sunday, January 8, with an uncertainty of +/- 17 hours,” read the statement.

Continue reading “Remains of retired NASA satellite that spent 38 years in service set to fall on Earth” »

Jan 7, 2023

Physicists confirm effective wave growth theory in space

Posted by in categories: particle physics, satellites

A team from Nagoya University in Japan has observed, for the first time, the energy transferring from resonant electrons to whistler-mode waves in space. Their findings offer direct evidence of previously theorized efficient growth, as predicted by the non-linear growth theory of waves. This should improve our understanding of not only space plasma physics but also space weather, a phenomenon that affects satellites.

When people imagine , they often envision it as a perfect vacuum. In fact, this impression is wrong because the vacuum is filled with charged particles. In the depths of space, the density of charged particles becomes so low that they rarely collide with each other.

Instead of collisions, the forces related to the electric and magnetic fields filling space, control the motion of charged particles. This lack of collisions occurs throughout space, except for very near to celestial objects, such as stars, moons, or planets. In these cases, the charged particles are no longer traveling through the vacuum of space but instead through a medium where they can strike other particles.

Jan 7, 2023

The Concept of Unlimited Solar Energy From Space is One Step Closer to Reality

Posted by in categories: satellites, solar power, sustainability

Space Solar Power Demonstrator (SSPD) launched on January 3rd may be a breakthrough for harvesting solar energy from space.


A Caltech-designed prototype satellite containing an experiment, the Space Solar Power Demonstrator (SSPD), was launched on January 3rd of this year in what could prove to be a breakthrough for harvesting the energy of the Sun from space. The satellite goes by the name Momentus Vigoride and hitched its ride into space on a SpaceX Falcon 9 rocket.

Solar energy from space has been the dream of science fiction writers beginning with Isaac Asimov back in 1941 in a short story called Reason which later was included in a collection that Asimov published in 1950 entitled I, Robot. In the story, Asimov described a space station that collected energy from the Sun and transmitted it by microwave beam to various locations. Asimov recognized the distinct advantage of building solar power generating stations in space out of the Earth’s shadow and therefore continuously being able to harvest the energy of the Sun.

Continue reading “The Concept of Unlimited Solar Energy From Space is One Step Closer to Reality” »

Jan 7, 2023

Nigeria becomes the first country in Africa to have access to SpaceX Starlink, Engineer is ‘pretty impressed’ by the high-speed internet service

Posted by in categories: economics, internet, satellites

SpaceX Starlink Internet service will soon be available across the West African country of Nigeria, according to Nigeria’s Minister of Communications and Digital Economy Isa Ali Pantami. SpaceX already delivered some Starlink user terminals to the country to commence services. “As part of the partnership, SpaceX is to provide broadband access across the whole of Nigeria, enabling nationwide access to broadband connectivity way ahead of the December 2025 schedule, as outlined in our national broadband plan,” said Pantami. “With this collaboration with SpaceX’s Starlink, Nigeria is set to be the first African country to introduce the service.” Nigeria’s goals was to cover 90% of the country’s population with reliable internet access by 2025, the goal is now attainable because the Starlink satellite network is easy to set up and capable of beaming high-speed internet to rural and remote communities. SpaceX’s official Starlink Coverage Map says the service is ‘coming soon’ to Nigeria, users must input their address on the website to find out if its already available in their specific area.

On the partnership with SpaceX and StarLink. They have now commenced the deployment of their facilities in Nigeria is the first African country to reach that partnership & also approval for the deployment. pic.twitter.com/QamCN2AG4z — Prof. Isa Ali Ibrahim (@ProfIsaPantami) December 29, 2022

The company sent an email to potential customers living in Nigeria, stating that the service is available for pre-order. “Order now to reserve your Starlink expects to expand service in your area [Nigeria] in 2023. You will receive a notification once your Starlink is ready to ship,” the email says. The hardware to access the satellite internet service costs $600 [N438,000] in Nigeria with an internet subscription of $43 [N31,390] per month.

Jan 6, 2023

There’s no GPS on the moon. NASA and ESA have to fix that before humans return in 2 years

Posted by in categories: mathematics, satellites

Without satellite navigation, rockets can’t navigate to the moon without ground control, which is costly, cumbersome, and requires a lot of math.

Jan 6, 2023

Many Android phones to get satellite connectivity

Posted by in categories: mobile phones, satellites

When there is no mobile coverage, phones will be able to send emergency texts via satellite.

Jan 6, 2023

Fly to space and back with SpaceX Falcon 9 rocket in amazing video

Posted by in category: satellites

A new video provides an epic view of a historic SpaceX mission.

On Tuesday morning (Jan. 3), a SpaceX Falcon 9 rocket launched on a “rideshare” mission called Transporter-6 from Cape Canaveral Space Force Station in Florida, carrying 114 satellites to orbit for a variety of customers.

Jan 4, 2023

New Lunar Satellites Will Enable Autonomous Space Travel to the Moon for Astronauts

Posted by in categories: internet, robotics/AI, satellites

Both the European Space Agency and NASA are planning to test even more sensitive sensors on future moon missions to try and hone in on satellite signals. If they can truly connect with sats back home, we could get closer to achieving autonomous moon travel. But eventually that won’t be enough. To help direct humans on the lunar surface, we’re going to need a fleet of satellites specifically around the moon. NASA calls its project LunaNet, and it’s part of the Gateway space station, which is the culmination of America’s plan to return to the moon. It needs to be designed to play well with ESA technology and, eventually, will be the source of high-speed internet on the moon.

Artemis I launched back in November, rounded the moon just 81 miles above the lunar surface and touched down Earth-side in December. Artemis II, which will carry astronauts around the moon in a similar trajectory, is slated to launch in late 2024, according to Space.com. Artemis III, which will be humanity’s first boots on the moon since 1972, could launch as early as 2025.

Jan 3, 2023

SpaceX launches its first mission of 2023 following a record-smashing 2022

Posted by in category: satellites

The company almost doubled its launch record set the previous year. This year, it will likely break new ground with Starship.

SpaceX’s first mission of 2023 launched a massive 114 satellites into orbit. The Falcon 9 rideshare mission, called Transporter-6, launched at 10:56 a.m. EST (1456 GMT) from Cape Canaveral Space Force Station in Florida.

Continue reading “SpaceX launches its first mission of 2023 following a record-smashing 2022” »

Jan 1, 2023

See NASA’s newest Earth-monitoring satellite unfurl in space

Posted by in categories: satellites, solar power, sustainability

This month, NASA launched a new Earth-monitoring satellite that will observe fresh water systems across the planet. Now, the satellite has unfurled in space ready to begin science operations, and NASA has shared a video showing the unfolding process.

Named the Surface Water and Ocean Topography (SWOT) satellite, it had been folded up to fit inside the SpaceX Falcon 9 rocket which launched it from Vandenberg Space Force Base in California on December 16. Once the satellite reached space, it had to deploy its solar panel arrays, then unfold its mast and antenna panels. While deploying the solar panel arrays was a quick process, taking place shortly after launch, the unfolding of the antennae was much more involved and took four days.

As the SWOT satellite has a camera at the end of its long master, used for its Ka-band Radar Interferometer (KaRIn) instrument, these cameras were able to capture the unfolding process on video. This instrument is a new type of interferometer that will be able to see the depth of fresh water bodies such as lakes and rivers by using radar pulses. It sends two radar pulses down to the surface with a slight offset, allowing researchers to see the depth of these features. This is possible because of the wide spread of its two antennae, spaced 10 meters apart.

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