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Curious Kids: Why don’t the planets closest to the Sun melt or burn up?

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Curious Kids: Why don’t the planets closest to the Sun melt or burn up?

Curious Kids: Why don’t the planets closest to the Sun melt or burn up? While Mercury is indeed very hot, it is not hot enough to melt. NASA/JPL-Caltech, CC BY Chris Tinney, UNSW This is an article from Curious Kids, a series for children. The […]

Voyager Golden Records 40 years later: Real audience was always here on Earth

By NASA/JPL Public Domain

Voyager Golden Records 40 years later: Real audience was always here on Earth

Voyager Golden Records 40 years later: Real audience was always here on Earth What message would you send to outer space? NASA/JPL-Caltech, CC BY Jason Wright, Pennsylvania State University Forty years ago, NASA launched Voyager I and II to explore the outer solar system. The […]

TRAPPIST-1 is Older Than Our Solar System

This illustration shows what the TRAPPIST-1 system might look like from a vantage point near planet TRAPPIST-1f (at right). Credits: NASA/JPL-Caltech

TRAPPIST-1 is Older Than Our Solar System

TRAPPIST-1 is Older Than Our Solar System If we want to know more about whether life could survive on a planet outside our solar system, it’s important to know the age of its star. Young stars have frequent releases of high-energy radiation called flares that […]

The sun’s core rotates four times faster than its surface – here’s why it matters

Hot Sun Universe Prominences Space Credit: CC0

The sun’s core rotates four times faster than its surface – here’s why it matters

The sun’s core rotates four times faster than its surface – here’s why it matters The sun by the Atmospheric Imaging Assembly of NASA’s Solar Dynamics Observatory. NASA/SDO (AIA) Stephen Serjeant, The Open University My favourite science news is the stuff that changes the way […]

Solar is now the most popular form of new electricity generation worldwide

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Solar is now the most popular form of new electricity generation worldwide

Solar is now the most popular form of new electricity generation worldwide Andrew Blakers, Australian National University Solar has become the world’s favourite new type of electricity generation, according to global data showing that more solar photovoltaic (PV) capacity is being installed than any other […]

Two Weeks in the Life of a Sunspot

A blended view of the sunspot in visible and extreme ultraviolet light reveals bright coils arcing over the active region — particles spiraling along magnetic field lines. Credit: NASA’s Goddard Space Flight Center/SDO

Two Weeks in the Life of a Sunspot

Two Weeks in the Life of a Sunspot On July 5, 2017, NASA’s Solar Dynamics Observatory watched an active region — an area of intense and complex magnetic fields — rotate into view on the Sun. The satellite continued to track the region as it […]

NASA Continues to Study Pulsars, 50 Years After Their Chance Discovery

Pulsar animation. Credits: NASA’s Goddard Space Flight Center

NASA Continues to Study Pulsars, 50 Years After Their Chance Discovery

NASA Continues to Study Pulsars, 50 Years After Their Chance Discovery A little bit of “scruff” in scientific data 50 years ago led to the discovery of pulsars – rapidly spinning dense stellar corpses that appear to pulse at Earth. Astronomer Jocelyn Bell made the […]