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Category: satellites – Page 23

How Scientists Took a Picture of the Big Bang

Scientists “took a picture” of the Big Bang by capturing the cosmic microwave background (CMB) radiation, which is like the afterglow of the Big Bang. They used satellites like the Cosmic Background Explorer (COBE) and the Planck spacecraft to measure this ancient light. These instruments detected faint microwave signals that have been traveling through space for about 13.8 billion years. By analyzing these signals, scientists created a detailed map of the early universe, showing tiny temperature fluctuations. This “picture” helps us understand the universe’s origins and how it has evolved over time. #brightside Credit: Galaxy Cluster Abell: NASA Hubble — https://flic.kr/p/2e8LH2d, CC BY 2.0 https://creativecommons.org/licenses/.…, https://commons.wikimedia.org/wiki/Fi… Cosmic Microwave: ESA and the Planck Collaboration, CC BY 4.0 https://creativecommons.org/licenses/.…, https://commons.wikimedia.org/wiki/Fi… NASA’s Goddard Space Flight Center Animation is created by Bright Side.

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New Discoveries about Jupiter’s Magnetosphere

New discoveries about Jupiter could lead to a better understanding of Earth’s own space environment and influence a long-running scientific debate about the solar system’s largest planet. “By exploring a larger space such as Jupiter, we can better understand the fundamental physics governing Earth’s magnetosphere and thereby improve our space weather forecasting,” said Peter Delamere, a professor at the UAF Geophysical Institute and the UAF College of Natural Science and Mathematics.

“We are one big space weather event from losing communication satellites, our power grid assets, or both,” he said.

Space weather refers to disturbances in the Earth’s magnetosphere caused by interactions between the solar wind and the Earth’s magnetic field. These are generally associated with solar storms and the sun’s coronal mass ejections, which can lead to magnetic fluctuations and disruptions in power grids, pipelines and communication systems.

Elizabeth Reynolds, Managing Director, US, Starburst Aerospace; Championing An Aerospace Renaissance

Championing an aerospace renaissance — elizabeth reynolds, managing director, US, starburst aerospace.

Elizabeth Reynolds is Managing Director, US of Starburst Aerospace (https://starburst.aero/), a global Aerospace and Defense (A\&D) startup accelerator and strategic advisory practice championing today’s aerospace renaissance, aligning early-stage technology innovators with government and commercial stakeholders and investors to modernize infrastructure in space, transportation, communications, and intelligence.

Elizabeth’s team works alongside hundreds of technology startups developing new aircraft, spacecraft, satellites, drones, sensors, autonomy, robotics, and much more.

Elizabeth brings 15 years of experience in deep tech entrepreneurship, growth, business operations, and strategy to the team. Prior to joining Starburst, she served as an executive for biotech, medtech, mobility, and interactive media companies, from founding through IPO. She is also an advisor to a number of startups and nonprofits supporting STEM education.

Starburst has offices in Los Angeles, Washington, D.C., Paris, Munich, Singapore, Seoul, Tel Aviv, and Madrid, has grown into a global team of 70 dedicated team members with a portfolio of 140+ startups, 20 accelerator programs, and 2 active venture funds which strive to provide enabling growth services for deep tech leaders disrupting the industry and working towards a safer, greener, and more connected world.

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Space Force selects companies to develop concepts for simulated space war training range

Join our newsletter to get the latest military space news every Tuesday by veteran defense journalist Sandra Erwin.

In a statement May 22, the Space Force said this specialized environment will be crucial for training service personnel, known as guardians, to defend critical satellites and other spacecraft from electronic attacks. Satellites rely on electromagnetic signals for communication, navigation, and data transmission, making them vulnerable to jamming and cyberattacks.

How to create an efficient network between the Internet of Things and satellite constellations

One of the main barriers involves how to connect objects to the internet in places where there is no mobile network infrastructure. The answer seems to lie with low Earth orbit (LEO) satellites, although the solution presents its own challenges.

A new study led by Guillem Boquet and Borja Martínez, two researchers from the Universitat Oberta de Catalunya (UOC) working in the Wireless Networks (WINE) group of the university’s Internet Interdisciplinary Institute (IN3), has examined possible ways to improve the coordination between the billions of connected objects on the surface of the Earth and the satellites in its atmosphere.

The paper is published in the IEEE Internet of Things Journal.

Elon Musk debuts Starlink satellite internet service in Indonesia

Elon Musk traveled to Bali this weekend to officially launch Starlink, the SpaceX satellite internet service, in Indonesia this Sunday.

At a launch event with ministers in a health clinic in Indonesia, Musk stressed the significance of providing internet access to far-reaching corners of the vast archipelago, comprised of 17,000 islands across three time zones.

Study examines low-permittivity dielectric ceramics for microwave/millimeter-wave communication

Microwave dielectric ceramics are the cornerstone of wireless communication devices, widely utilized in mobile communications, satellite radar, GPS, Bluetooth, and WLAN applications. Components made from these ceramic materials, such as filters, resonators, and dielectric antennas, are extensively used in wireless communication networks.

First ‘extreme’ solar storm in 20 years brings spectacular auroras

WASHINGTON: The most powerful solar storm in more than two decades struck Earth on Friday (May 11), triggering spectacular celestial light shows in skies from Tasmania to Britain — and threatening possible disruptions to satellites and power grids as it persists into the weekend.

The first of several coronal mass ejections (CMEs) — expulsions of plasma and magnetic fields from the Sun — came just after 1,600 GMT, according to the National Oceanic and Atmospheric Administration (NOAA)’s Space Weather Prediction Center.

It was later upgraded to an “extreme” geomagnetic storm — the first since the so-called “Halloween Storms” of October 2003 caused blackouts in Sweden and damaged power infrastructure in South Africa. More CMEs are expected to pummel the planet in the coming days.