This article is for students grades 5-8.

Mass distribution affects everything from galaxy shapes to aircraft design to planetary rotation. It’s used to map stars in our universe, figure out what planets are made of, and even to determine how luggage is loaded onto an airplane.

Mass distribution can be a tricky thing to understand. So, let’s explore it using an everyday example: a soccer ball.

How Does Mass Distribution Affect Center of Mass?

Have you ever kicked a soccer ball and wondered why it curves, spins, or sometimes wobbles? Mass distribution plays a part.

On the outside, soccer balls look simple – a series of geometric shapes woven together in a pattern. But on the inside, they are carefully engineered. The key to a great soccer ball is something you can’t see: how the mass is distributed inside the ball.

When engineers build a soccer ball, they try to make sure its mass is evenly balanced in all areas. This is because the way a ball spins and flies depends on how its mass is arranged. If one part of the ball is slightly heavier, its center of mass shifts. If the ball’s center of mass isn’t precisely balanced, the ball won’t move smoothly.

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Words to Know

mass: the measurement of the amount of matter in an object

mass distribution: how mass is spread within an object

center of mass: the unique point around which the mass of an object is perfectly balanced

______________________________________________________________________

How Is Mass Distribution Measured?

Scientists and engineers use tools like precision scales, computer models, and repeated testing to determine an object’s mass distribution. These efforts help them design balanced airplanes, rockets, and even soccer balls. Their goal is to achieve dynamic balance, meaning the object can travel smoothly without unexpected movements.

How Does Gravity Affect How We Study Mass Distribution?

On Earth, gravity hides some of the details about how objects move. In microgravity, astronauts can observe motion more clearly. In 2019, Adidas partnered with NASA and sent soccer balls to the International Space Station.

Astronauts conducted tests to help engineers confirm their designs and understand the physics behind ball motion in ways they simply can’t on Earth. The results of the space station experiments have already helped improve the accuracy and consistency of modern soccer balls.

Try It Yourself

You don’t need to go to space to explore the physics of a ball in motion. Try this experiment at home or school:

• Grab different types of sports balls (soccer ball, basketball, tennis ball)
• Spin each one on the ground or between your hands
• Watch for wobbling, flipping, or smooth spinning

Can you tell which balls are well balanced? Or which ones might have uneven mass distribution?

Career Corner

Are you interested in a career that explores the science and engineering of mass distribution? Many different occupations can help you strike the perfect balance. Here are a few examples:

Computer-Aided Design (CAD) Technician/Drafter: These specialists convert sketches and engineering designs into technical drawings. They use powerful computer software to create detailed 3D and 2D drawings of objects. A two-year associate degree from a technical or community college is key to this career path.

Computational fluid dynamics engineer: These engineers use computer simulation tools to model and analyze fluid behavior in real-world situations. They might study airflow around sport ball designs or explore ways to improve aircraft wings. They need a strong background in engineering and the ability to analyze complex problems.

Physicist: These scientists study matter and energy. They develop models and theories to explain how things work, conduct experiments, and use math to better understand the universe. A career in physics demands a strong understanding of math and complex problem-solving and usually requires an advanced college degree.

More to Explore:

• The Science of Soccer in Space: Hands-on Activity From Orion’s Quest
• Aerodynamics of Soccer
• NASA Knows for Students Grades 5-8

The post NASA Knows: What Is Mass Distribution? appeared first on NASA Science.

This article is for students grades 5-8.

Mass distribution affects everything from galaxy shapes to aircraft design to planetary rotation. It’s used to map stars in our universe, figure out what planets are made of, and even to determine how luggage is loaded onto an airplane.

Mass distribution can be a tricky thing to understand. So, let’s explore it using an everyday example: a soccer ball.

How Does Mass Distribution Affect Center of Mass?

Have you ever kicked a soccer ball and wondered why it curves, spins, or sometimes wobbles? Mass distribution plays a part.

On the outside, soccer balls look simple – a series of geometric shapes woven together in a pattern. But on the inside, they are carefully engineered. The key to a great soccer ball is something you can’t see: how the mass is distributed inside the ball.

When engineers build a soccer ball, they try to make sure its mass is evenly balanced in all areas. This is because the way a ball spins and flies depends on how its mass is arranged. If one part of the ball is slightly heavier, its center of mass shifts. If the ball’s center of mass isn’t precisely balanced, the ball won’t move smoothly.

______________________________________________________________________

Words to Know

mass: the measurement of the amount of matter in an object

mass distribution: how mass is spread within an object

center of mass: the unique point around which the mass of an object is perfectly balanced

______________________________________________________________________

How Is Mass Distribution Measured?

Scientists and engineers use tools like precision scales, computer models, and repeated testing to determine an object’s mass distribution. These efforts help them design balanced airplanes, rockets, and even soccer balls. Their goal is to achieve dynamic balance, meaning the object can travel smoothly without unexpected movements.

How Does Gravity Affect How We Study Mass Distribution?

On Earth, gravity hides some of the details about how objects move. In microgravity, astronauts can observe motion more clearly. In 2019, Adidas partnered with NASA and sent soccer balls to the International Space Station.

Astronauts conducted tests to help engineers confirm their designs and understand the physics behind ball motion in ways they simply can’t on Earth. The results of the space station experiments have already helped improve the accuracy and consistency of modern soccer balls.

Try It Yourself

You don’t need to go to space to explore the physics of a ball in motion. Try this experiment at home or school:

• Grab different types of sports balls (soccer ball, basketball, tennis ball)
• Spin each one on the ground or between your hands
• Watch for wobbling, flipping, or smooth spinning

Can you tell which balls are well balanced? Or which ones might have uneven mass distribution?

Career Corner

Are you interested in a career that explores the science and engineering of mass distribution? Many different occupations can help you strike the perfect balance. Here are a few examples:

Computer-Aided Design (CAD) Technician/Drafter: These specialists convert sketches and engineering designs into technical drawings. They use powerful computer software to create detailed 3D and 2D drawings of objects. A two-year associate degree from a technical or community college is key to this career path.

Computational fluid dynamics engineer: These engineers use computer simulation tools to model and analyze fluid behavior in real-world situations. They might study airflow around sport ball designs or explore ways to improve aircraft wings. They need a strong background in engineering and the ability to analyze complex problems.

Physicist: These scientists study matter and energy. They develop models and theories to explain how things work, conduct experiments, and use math to better understand the universe. A career in physics demands a strong understanding of math and complex problem-solving and usually requires an advanced college degree.

More to Explore:

• The Science of Soccer in Space: Hands-on Activity From Orion’s Quest
• Aerodynamics of Soccer
• NASA Knows for Students Grades 5-8

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Across the stories today, a common thread emerges: the growing tension between our rapidly expanding digital world and the natural systems struggling to sustain it. From AI data centers planned for drought-stricken regions to coal plants getting emergency extensions, we’re witnessing the collision between technological acceleration and environmental limits.

The numbers tell a stark story. Two-thirds of new AI data centers are slated for areas already grappling with water scarcity, while these facilities demand massive amounts of both electricity and cooling water. Meanwhile, Florida’s coal plant—scheduled for retirement as part of a clean energy transition—gets an emergency lifeline to keep the lights on. It’s a reminder that progress and pressure often arrive together, forcing difficult choices between immediate needs and long-term sustainability.

The day’s coverage points to growing momentum around accountability, particularly in how we fund and regulate resource-intensive industries. Australian lawmakers are pushing for fair taxation of AI infrastructure, determined not to repeat what they see as mistakes with gas exports. North Carolina legislators face their own paradox, crafting bills that simultaneously curb data center expansion while boosting fossil fuel development. These policy tensions reflect a broader reckoning: how do we harness technological progress without overwhelming the ecosystems that support us?

Yet signs of genuine environmental recovery punctuate today’s more challenging headlines. Water voles have returned to an English nature reserve after four decades, while marine protected areas now cover 10% of the world’s oceans—a significant milestone toward the 30% goal by 2030. In Sumatra’s hills, coffee farmers like Sri Atmiatun are proving that conservation and community prosperity can grow together, restoring forests while securing livelihoods through innovative social forestry programs.

Behind the numbers are real communities adapting in real time. Alaska’s fishing industry faces uncertainty as critical ocean monitoring systems face budget cuts, while Arizona’s San Carlos Lake sits closed indefinitely after drought and dam releases killed all fish life. These aren’t abstract environmental statistics—they’re disruptions to ways of life, forcing entire communities to reimagine their relationships with changing landscapes.

The financial flows reveal where power and priorities truly lie. The world’s largest banks poured a record $906 billion into fossil fuels despite climate commitments, an 8% increase that environmental researchers call “unfathomable.” Meanwhile, China launched the world’s first wind-powered underwater data center, signaling that sustainable technology infrastructure is possible when political will aligns with innovation.

Perhaps most troubling is what we’re losing while focused on these larger battles. Wildfire smoke has erased four years of air quality progress across the United States, while sea levels are now rising at twice the rate recorded just a decade ago. Scientists are racing to record forest sounds before wild spaces fall silent—a poignant reminder that some losses can’t be reversed.

The day’s stories also illuminate the gap between good intentions and effective action. Louisiana legislators unanimously approved expanding their wood pellet industry despite the bill’s sponsor admitting he knows little about the sector. FIFA appears unprepared for wildfire smoke threats at upcoming World Cup venues. These moments reveal how quickly environmental challenges can outpace institutional readiness.

As the week unfolds, all eyes will be on whether emerging solutions—from underwater data centers to marine protection expansions—can scale fast enough to match the magnitude of the challenges. The central question remains: can we innovate our way toward sustainability, or will the pace of environmental change force more fundamental reckonings with how we live and build in a resource-constrained world?

The post Florida Coal Plant Keeps Running Past 2025 Closure, Decade of Wildfires Erases US Air Quality Gains — Today’s Environmental Briefing for Tue, Jun 9 2026 first appeared on EnviroLink Network.

Alaska’s fishing industry and coastal communities are bracing for an uncertain future as the federal government prepares to shut down a vital ocean monitoring network. The National Science Foundation announced plans in May to decommission the Ocean Observatories Initiative, a $368 million system of deep-sea instruments that has been tracking critical ocean conditions.

The timing couldn’t be worse for America’s top fish-producing state. Alaska is warming twice as fast as the global average, creating unprecedented challenges for marine ecosystems and the communities that depend on them. The sophisticated sensor network provides real-time data on ocean temperature, currents, and chemical composition – information that fishing fleets, coastal planners, and emergency responders rely on to make life-and-death decisions.

Scientists are calling the decommission plan shortsighted, particularly as climate change accelerates in Arctic waters. The monitoring system helps track how warming temperatures affect fish migration patterns, ocean chemistry, and storm intensity – all critical factors for Alaska’s multi-billion-dollar fishing economy. Coastal communities, already vulnerable to increasingly severe storms and erosion, depend on the data to prepare for extreme weather events.

Without this ocean monitoring capability, Alaska faces a dangerous information gap just when climate impacts are intensifying. The loss threatens not only the state’s economic backbone but also the safety of fishing crews and coastal residents who rely on accurate ocean forecasting to navigate increasingly unpredictable Arctic waters.

The post Alaska’s Fishing Communities Face Uncertain Future as Critical Ocean Monitoring System Gets Cut first appeared on EnviroLink Network.