Topic: Space Systems

Clock

Current Event November 6, 2015

Debate: Should We Keep Daylight Savings Time?

Space Systems Human Impacts

Every spring and fall Americans turn the clocks back or forward one hour to make the best use of the daylight. It’s called Daylight Savings Time. When the clocks are turned back in the fall, it will be brighter in the mornings as we go to school and to work. New research shows this time change has a big downside: an increase in crime. By looking at crime patterns, researchers discovered that robbery rates increase when it's darker for a longer time in the evenings. Listen to this story and have students gather evidence for a debate about whether or not we should keep Daylight Savings Time.

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Mars hubble

Current Event October 8, 2015

Water on Mars

Earth and Space Science Space Systems

NASA's Mars Reconnaissance Orbiter shows dark streaks flowing down Martian slopes. When the streaks are widest, there is evidence of water molecules. When the streaks shrink in the cold, water disappears. The water is not the same as a stream on Earth, but more like a hint of wetness. Although scientists are not entirely sure where the water source is, they say it could be from a salty underground reservoir or soaking up moisture from the atmosphere. Listen to hear how water can be important for future explorations on Mars.

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Universe.square

Current Event April 10, 2015

A Scientist's Discovery about the Universe

Earth and Space Science Space Systems

Individuals who make extraordinary contributions to science often begin as regular people with a passion. This was certainly the case for Alan Guth, the physicist responsible for our understanding of how the universe formed after the Big Bang. Guth’s love for physics was sparked in high school and continues to drive his work today as a professor at MIT. Listen to learn more about his journey from a small town in New Jersey to physics textbooks around the world.

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Beyond our solar system

Science Middle School

Gravity Helps Detect a New Planet in Neighboring Solar System

Earth and Space Science Space Systems

Gravity keeps our feet on the ground, it creates a curve ball, and it can also be used to find new planets. The star at the center of our solar system maintains life on Earth and its gravitational pull creates the orbit of planets. But our sun is just one of many stars in an ever expanding universe. Alpha Centauri is the closest star system to our solar system and new technology is allowing us to better understand our neighbor. Observations of Alpha Centauri date back to 1592, but it wasn’t until 2012 that astronomers in Chile were able to identify a planet orbiting one of the stars in Alpha Centauri because of its gravitational wobble. Listen to learn more about the properties and potential of this new planet.

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Mars.square

Current Event March 6, 2015

Visiting Mars

Earth and Space Science Psychology Space Systems

In 2024 crews of four will be sent to Mars with the goal of creating a permanent human settlement there. The mission is being planned by a non-profit organization in the Netherlands called Mars One. 200,000 people applied to be one of the first four people to make this all expense paid trip. Mars One has narrowed the applicants down to 100. Shirelle Webb, a 22 year old college student from Texas has made the cut. Listen to learn why she wants to be considered for the one-way trip.

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Sun.square

Current Event February 24, 2015

How the Sun Works

Earth and Space Science Space Systems Physical Science

The sun is a star that sits at the center of our Solar System. It provides heat and a gravitational pull for all of the planets that orbit it. Scientists have long believed they knew what the sun was made up of and how it worked. When new evidence upset the balance between theory and observation, a solar physicist set out to reproduce the way the sun functions in a laboratory. Listen to hear more about how the sun works.

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Interstellar travel

Science Middle School

Interstellar Travel on Voyager I

Earth and Space Science Space Systems

It is difficult to conceptualize the magnitude of our solar system but the journey of the Voyager spacecrafts can help. In September 1977 NASA launched the Voyager spacecrafts to gain information about the far off giant planets in our solar system. The spacecrafts and the project endured after studying Jupiter, Saturn, Uranus and Neptune and continued to travel away from earth and through our solar system. Thirty-five years after Voyager 1 left Earth, and over 11 billion miles away, it became the first man-made object to leave our solar system and enter interstellar space. Listen to learn what researchers have been researching from the edge of our solar system.

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New planet

Science Middle School

New Planet on the Edge of Our Solar System

Earth and Space Science Space Systems

In 2014, astronomers discovered a new dwarf planet on the edge of our solar system. This discovery has changed scientists’ understanding of what exists in the solar system beyond the more well known dwarf planet, Pluto. The new planet is a pink ball of ice, and scientists believe there could be an unseen and undiscovered planet larger than Earth in the far reaches of our solar system.

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Curiosity mars.square

Current Event January 6, 2015

Life on Mars

Earth and Space Science Space Systems Atmosphere

NASA’s Curiosity Rover has found unexpected bursts of methane in the Martian atmosphere. Scientists don’t know where the methane is coming from but some see these bursts as evidence that there are or once were living microbes on the red planet. Listen to learn more about this important gas and the implications of its discovery on Mars.

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Nasa's orion.square

Current Event December 11, 2014

NASA’s Plans for Deep Space

Earth and Space Science Technology Engineering Space Systems

Since the end of the space shuttle program and the beginning of independently funded space exploration, NASA hasn’t been launching many new spacecrafts. This is changing with a recent test flight for NASA’s new spacecraft Orion, which is designed to carry astronauts into deep space. Listen to this public radio story to learn more about Orion’s design and goals.

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India.marsmission.square

Current Event October 15, 2014

India Goes to Mars Cheaply

Civics/Government Economics Earth and Space Science Space Systems

India successfully sent a spacecraft and probe to orbit Mars in September. The United States also has a probe orbiting Mars- but their mission costs ten times as much as the India mission. Why is that? From spacecraft, to orbit shape, to payroll - this public radio story explores why these price tags were so different.

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Space thief

Current Event May 8, 2014

Space Thief

Earth and Space Science Engineering Space Systems

An American scientist was able to beat other countries to reach a comet first by “stealing” another scientist’s space craft. 31 years later, he’s on a mission to restore it to its original mission.

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Starwars.square

Current Event May 3, 2014

‘Star Wars’ Movies and Beyond

Earth and Space Science Literature Space Systems entertainment

George Lucas’s Star Wars films are an empire unto themselves. With two movie trilogies and another on the way, the films are prolific, as are the universe they build. This is matched and raised by hundreds of Star Wars books that mirror and expand the narrative of the movies. Some hardcore fans even prefer the books, which cover 25,000 years and include 17,000 characters. Listen to learn more about the unprecedented success of this movie based book franchise.

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Earth like planets

Current Event April 30, 2014

Earth-Like Planets

Life Science Earth and Space Science Space Systems

Is there a possibility for humans to live on another Earth-like planet? Scientists claim that there are potential candidates out there, and for the first time can estimate how many. Listen to this story to learn more about other planets that could sustain life.

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Hubble telescope celebrates 24 years in space

Current Event April 3, 2014

Hubble Telescope Celebrates 24 Years in Space

Earth and Space Science Engineering Space Systems

The Hubble Telescope has been transmitting data from space for 24 years. It has endured several changes in U.S. Presidents and it will continue to stay in space until at least 2020. What have we learned from the Hubble Telescope over the last two decades?

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Making stars on earth

Current Event March 11, 2014

Making Stars on Earth

Earth and Space Science Engineering Space Systems

Scientists usually study stars from afar, through a telescope. One scientist discovered a way to study stars up close, and on Earth — through a machine that acts like a powerful energy generator or star, called the Z Machine.

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