Digital Commons Network^™

Acmes: The Next-Generation Of Advanced Lwir Observations Of The Earth, Lucas Anderson, Michael Kirk, Chad Fish, Bruno Mattos, Charles Swenson, Miguel Nunes, Robert Wright

Small Satellite Conference

The Active Cooling for Multispectral Earth Sensors (ACMES) program is an advanced Long-Wave IR (LWIR) remote observation Earth Science Small Satellite mission scheduled to launch in 2026 to a high-inclination 550 km Sun synchronous (SSO) orbit. ACMES will host several novel payloads and technologies, including the Hyperspectral Thermal Imager 2.0 (HyTI 2.0), the Filter Incidence Narrowband Infrared Spectrometer (FINIS), the Planar Langmuir Impedance Diagnostic (PLAID) probe, and the Active Thermal Architecture (ATA) system. ACMES will serve a one-year primary mission focused on technology demonstration, followed by a three-year science-based mission to provide valuable LWIR observations of the Earth’s surface. The …

Teachers’ Challenges In Implementing The New Mexican School’S Educational Model, Mayra Margarito Gaspar

Journal of Educational Research and Practice

This scholarly essay explores the challenges that teachers face in implementing the Nueva Escuela Mexicana (NEM) [new Mexican school] educational model, which prioritizes project-based and interdisciplinary learning over subject-based instruction. The NEM’s flexible approach requires teachers to independently structure lessons, ensuring continuity without a predefined thematic sequence. Collaboration is essential, yet many educators struggle with interdisciplinary coordination, especially in secondary education. Limited planning time and curricular flexibility further complicate implementation. Teachers in marginalized areas also face resource constraints, which hinders project-based learning. Additionally, the NEM’s textbooks, which are designed for integrative learning, lack clear organization and guidelines and make them …

Hitching A Ride On History: Nasa’S Space Launch System Artemis Ii Cubesats, Russell Lane, David Beaman, Courtney Ryals, David Hitt

Small Satellite Conference

In early 2026, NASA will launch the Artemis II mission, the second flight of its Orion spacecraft and Space Launch System (SLS) rocket. Artemis II will be the first crewed flight of the systems and will see four astronauts venture around the Moon as a key step toward establishing a long-term human presence in deep space. The 10-day flight will demonstrate NASA's foundational human deep space exploration capabilities. Launching along with Orion on SLS will be four 12U CubeSats developed through partnerships with space agencies around the world that are signatories of the Artemis Accords. The CubeSats will deploy in …

Navigating The Ezie Path: Insights From A Cubesat's Trailblazing Journey Through Nasa Mission Development, Marc Hoffman, Rebecca Wind-Kelly, Nelli Mosavi-Hoyer

Small Satellite Conference

The Electrojet Zeeman Imaging Explorer (EZIE) is a low-cost, multi-spacecraft mission that seeks to capture the magnetic signature of the powerful electrojet currents flowing within the Earth's upper atmosphere. Equipped with the innovative Microwave Electrojet Magnetogram instrument, three identical 6U CubeSats fly in a "pearls-on-a-string" configuration in sun-synchronous, low Earth orbit, crossing the auroral oval over 8,000 times during its 18-month lifetime. As a NASA-sponsored, Category 3, Risk Classification D mission, EZIE accommodates a higher-risk tolerance and moderate budget while offering a substantial return in science. In less than 40 months of development, the project managed the convergence of sponsor …

In-Orbit Commissioning Results Of The Esa Φsat-2 Mission, Nicola Melega, Agnė Paškevičiūtė-Kidron, Nicolas Longepe, Mirko Albani, Louis Dadswell, George Hine, Jacob Bullard, Alessandro Marin

Small Satellite Conference

The commissioning of the ESA Φsat-2 mission marks a significant milestone in the advancement of Earth observation technologies, particularly in the realm of artificial intelligence (AI) and edge computing. Launched on August 16, 2024, aboard the SpaceX Transporter 11 rideshare flight, the Φsat-2 mission aims to demonstrate the feasibility of running an entire data processing chain onboard, from Level 0 to Level 2, showcasing the latest advancements in edge computing and AI. The mission began with the successful separation of the Φsat-2 spacecraft from the launcher, followed by the establishment of communication 90 minutes post-launch over the Troll ground station. …

Association Of Coparenting Relationship With Postpartum Depression And Anxiety In Immigrants Postnatal Women, Salima Sulaiman

Sigma Foundation for Nursing Research Grant Reports

Background: Postpartum depression (PPD) and anxiety are growing public and global health concerns, particularly among immigrant populations. In Canada, first-time parents from minority immigrant backgrounds face unique stressors that may heighten their vulnerability to perinatal mental health challenges. While existing research has primarily focused on mothers, limited attention has been given to immigrant fathers and the experiences of both parents as a unit. This study explores the prevalence of depressive and anxiety symptoms among South Asian and Middle Eastern immigrant couples in Canada during the postpartum period.

Methods: A cross-sectional pilot study was conducted with immigrant couples who had moved …

Advanced Hyperspectral Imaging From Orbit: Achievements And Challenges From The First Year Of Tanager-1, Jeff Guido, Mark Keremedjiev, James Mason, Riley Duren, Judy Lai-Norling, Kirk Seaman, Robert Green

Small Satellite Conference

In August 2024, Planet Labs PBC launched Tanager-1, a small satellite class hyperspectral satellite designed to detect methane point source emissions, developed through the Carbon Mapper partnership. In a short time, Tanager-1 began imaging and demonstrating the exceptional sensitivity of the onboard VSWIR imaging spectrometer designed by the Jet Propulsion Laboratory. The early performance of Tanager-1 signals a significant advancement in remote sensing capability made possible by an innovative public-private partnership bringing together commercial, non-profit, philanthropic, academic, and government entities.

Leveraging JPL-developed technology and Planet’s proven expertise in spacecraft development and operation, Tanager-1 acquires high-fidelity hyperspectral data across the 400-2500 …

Tax Trends, E. S. Linett

Tax Adviser

No abstract provided.

Arctic Weather Satellite - One Year In Orbit, Joakim Kugelberg, Niklas Ahlgren, Enne Hekma, Benjamin Jouanneau, Johan Riesbeck

Small Satellite Conference

The European Space Agency's Arctic Weather Satellite (AWS) Proto-flight Model was successfully launched on August 16, 2024. Based on the OHB Sweden’s Innosat platform, the satellite carries a microwave sounder developed by AAC Omnisys. This paper presents the project execution, which balanced a short development schedule and tight cost boundaries, while ensuring that the mission could provide high quality meteorological data. Being a prototype for the design of the satellites to be deployed in the planned EPS-Sterna constellation, the in-orbit commissioning of AWS is crucial to validate the performance of the space segment.

A key objective of the Arctic Weather …

To The Finland Station; A Study In The Writing And Acting Of History, Edmund Wilson

Hannah Arendt Marginalia - All

Garden City, NY: Doubleday, 1953

Call #: HX36 .W5 1953

Contains underlining, marginal lining and notes on the back cover.

PDF Information: 53 pages – 34.5mb

Reaching Full Operating Capability With The Tomorrow.Io Weather Constellation, Scott Williams, Emma Watson, Jan Wicha, Joe Munchak

Small Satellite Conference

The Tomorrow.io weather constellation leverages advances in small satellite technology and the emergence of affordable rideshare options to provide timely, global weather measurements using a constellation of precipitation radars and passive microwave sounders. The focus of this paper is on the design and deployment of Tomorrow.io’s CubeSats carrying passive microwave radiometers known as Tomorrow.io Microwave Sounders (TMS). The TMS instrument design is based on technology transitioned from the MIT Lincoln Laboratory (MIT LL) with technology insertions to improve performance. TMS will achieve full operating capability (FOC) with 12 satellites in a hybrid mix of sun synchronous and mid inclination orbits. …

Starling 1.5 – Space Traffic Coordination Amongst Autonomously Maneuvering Spacecraft, Theodore Hendriks, Matthew Hejduk, Steven Hu, Scott Miller, Caleb Adams, Nathan Benz, Soon Hwang, Terry Stevenson

Small Satellite Conference

Starling 1.5 is a space traffic coordination mission extension to NASA’s successful Starling swarm technology demonstration. NASA partnered with SpaceX to field and demonstrate a space traffic coordination system that allows different satellite owner/operators to rapidly screen trajectories and either claim or refuse maneuver responsibility for mitigating conjunctions, or close approaches, all without human operators in the loop.

Starlink satellites routinely perform autonomous risk mitigation maneuvers (RMMs) to reduce the probability of collision (Pc) for conjunctions with active satellites and other orbital objects such as debris. The NASA Starling primary mission included an autonomous maneuvering capability, which raised the question …

Order And History V.1, Eric Voegelin

Hannah Arendt Marginalia - All

[Baton Rouge] Louisiana State University Press [1956]-c1987

Call #: CB19 .V58 1956 v.1

Contains underlining and marginal lining

PDF Information: 169 pages – 13 MB

Order And History V.3, Eric Voegelin

Hannah Arendt Marginalia - All

[Baton Rouge] Louisiana State University Press [1956]-c1987

Call #: CB19 .V58 1956 v.3

Contains underlining and marginal lining

PDF Information: 101 pages – 103.9 MB

The New Science Of Politics; An Introduction, Eric Voegelin

Hannah Arendt Marginalia - All

Chicago, University of Chicago Press, 1952

Call #: JC251 .V6

Contains marginalia, underlining, marginal lining, and endpaper notes.

PDF Information: 91 pages – 41.6mb

Development Of An Intervention For Optimizing Values Discussions Between Patients With An Lvad, Their Family Caregivers, And The Healthcare Team, Avery C. Bechthold, Rachel D. Wells, Colleen K. Mcilvennan, Martha Abshire Saylor, Daniel D. Matlock, Jesse Lejeune, J. Nicholas Odom

Sigma Foundation for Nursing Research Grant Reports

This project aimed to characterize how adults living with a left ventricular assist device (LVAD) and their family/friend caregivers engage in values-centered discussions, with the goal of informing future interventions that promote values-centered communication with the healthcare team.

Socratic Humanism, Lazlo Versenyi

Hannah Arendt Marginalia - All

New Haven, Yale University Press, 1963

Call #: B317 .V4

Contains marginalia, underlining, marginal lining, and endpaper notes

PDF Information: 76 pages – 42.6mb

The New Science Of Giambattista Vico, Giambattista Vico

Hannah Arendt Marginalia - All

New York: Anchor Books, 1961

Call #: B3317 .S34

Contains marginalia and endpaper notes.

PDF Information: 42 pages – 17.6mb

The Making Of The English Working Class, E. P. Thompson

Hannah Arendt Marginalia - All

New York, Pantheon Books [1964, c1963]

Call #: HD8388. .T47 1964

Contains underlining, marginal lining, and endpaper notes

PDF Information: 159 pages – 59.5 MB

Democracy In America Vol. 2, Alexis De Tocqueville

Hannah Arendt Marginalia - All

New York, A.A. Knopf, 1945

Call #: JK216 .T7 1945

Contains marginalia, underlining and endpaper notes.

PDF Information: 95 pages – 56.7mb

Political Education By Charities - Sorting Out The Irs Position, Mark B. Weinberg

Tax Adviser

No abstract provided.

Selections, Benedictus De Spinoza

Hannah Arendt Marginalia - All

New York, Chicago, C. Scribner’s sons, c 1930

Call #: B3958 .W5

Contains underlining, marginal lining and endpaper notes.

PDF Information: 57 pages – 35 MB

After Babel, George Steiner

Hannah Arendt Marginalia - All

New York : Oxford University Press, 1975

Call #: P306 .S66 1975

Contains underlining, marginal lining and endpaper notes.

PDF Information: 67 pages – 25 MB

On Tyranny, Leo Strauss

Hannah Arendt Marginalia - All

New York, Free Press of Glencoe, 1963

Call #: PA4494.H6 S8 1963

Contains marginalia, underlining and marginal lining.

PDF Information: 44 pages – 19.6mb

The Chief Works Of Benedict De Spinoza, V.2, Benedictus De Spinoza

Hannah Arendt Marginalia - All

New York : Dover, 1955, c1951

Call #: B3958 .S758 v.2

Contains marginal lining and underlining

PDF Information: 28pages – 2 MB

The Chief Works Of Benedict De Spinoza, V.1, Benedictus De Spinoza

Hannah Arendt Marginalia - All

New York : Dover, 1955, c1951

Call #: B3958 .S758 v.1

contains marginal lining and underlining

PDF Information: 94 pages – 39 MB

Conceptual Design Of An Integrated Small Satellite Environmental Testing Platform: Addressing Subsystem Integration Challenges, Benjamin Ochs, Michael Harrigan, Victoria Coverstone

Small Satellite Conference

Environmental testing for small satellites often relies on separate systems to simulate space conditions, resulting in inefficiencies, increased operating costs, and challenges in accurately modeling the complex environment. This paper presents the conceptual design of an integrated testing platform that combines thermal, vacuum, solar, magnetic, navigation, and attitude control simulations into a single piece of hardware to provide reliable mission assurance. The design emphasizes the modifications required to overcome unique interactions between subsystems, enabling simultaneous, realistic environmental qualification of small satellites while reducing cost and complexity.

The fully integrated environmental testing system incorporates a thermal vacuum chamber (TVAC) with an …

Automated Pointing Budget And Reaction Wheel Sizing Tool For Cubesat Attitude Control With Iterative Sensitivity Analysis, Logan Thompson, Matthew Devor, Michael Harrigan, Victoria Coverstone

Small Satellite Conference

Reaction wheels are a widely used solution for CubeSat attitude control, offering precise pointing capabilities without the need for a propulsion system. However, sizing reaction wheels correctly is a persistent challenge due to the difficulty of accurately defining the pointing budget, which determines the required torque and momentum storage capacity. Designers must account for mission-specific constraints, spacecraft mass properties, and environmental disturbances, all of which introduce uncertainty into the sizing process. As a result, reaction wheels are often either oversized, leading to unnecessary mass and power consumption, or undersized, risking performance failures such as saturation. To address this challenge, a …

Developing A Model-Based Systems Engineering Methodology For Academic Cubesat Missions, Piper L. Kline

Small Satellite Conference

Cube Satellites (CubeSats) have become increasingly popular, particularly in academic settings, due to their affordability, rapid development timelines, and utility as platforms for student training and experimental payloads. Despite these advantages, CubeSat development presents several challenges, including limited resources such as personnel, funding, and time, as well as difficulties in maintaining comprehensive documentation and managing requirements. Student-led projects face additional obstacles, such as inexperienced team members and high turnover rates, which can result in inadequate passing of knowledge. Model-Based Systems Engineering (MBSE) has emerged as a promising approach to address these challenges and improve the efficiency of CubeSat design and …

Development Of An Open-Source Spacecraft Bus For The Pulse-A Cubesat, Graydon Schulze-Kalt, Robert Pitu, Spencer Shelton, Catherine Todd, Zane Ebel, Ian Goldberg, Leon Gold, Henry Czarnecki, Mason Mccormack, Larry Li, Zumi Riekse, Brian Yu, Akash Piya, Vidya Suri, Dylan Hu, Colleen Kim, John Baird, Seth Knights, Logan Hanssler, Tian Zhong, Michael F. Lembeck

Small Satellite Conference

The undergraduate-led Polarization-modUlated Laser Satellite Experiment (PULSE-A) at the University of Chicago seeks to demonstrate the feasibility of circular polarization shift keyed satellite-to-ground laser communication. Free-space optical communications offer significantly improved data rates and lower power requirements than radio frequency communications for a similar form factor, which makes optical communications of particular interest for future satellite missions as on-orbit data collection rates increase. PULSE-A’s low-cost open-source bus serves as the backbone of the mission and has been designed in tandem with the Payload, with design driven by strict requirements for pointing accuracy, component alignment, power demand, and thermal stability. This …