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Proba 3 images the solar wind

Astronomy & Observing News

Sun-Observing Satellite Uses Artificial Eclipse to Capture the Solar Wind

The Proba 3 mission flies two spacecraft in precise formation to create an artificial eclipse and obtain close views of the solar wind as it leaves the Sun.

Ultraviolet view of the Sun at maximum and minimum shows the difference in solar activity at the visible surface

Astronomy & Observing News

The Solar Cycle Leaves Its Fingerprint on the Sun’s Interior

Astronomers have used 40 years’ worth of data to peer inside the Sun, revealing that the solar cycle can leave a distinct fingerprint beneath the visible surface.

Solar flare

Astronomy & Observing News

Watch Stellar Explosions Near and Far (Videos)

New videos from the Solar Orbiter and the Chandra X-ray Observatory capture magnetic avalanches on the Sun and the exploding remnants of a star 17,000 light-years away.

Sun's magnetic boundary (Alfven surface)

Astronomy & Observing News

Scientists Map the Sun’s Magnetic “Surface”

Where does the Sun end and the solar wind begin? Scientists have mapped the dynamic magnetic edge that bounds our star.

Astronomy & Observing News

Never-Before-Seen Views of the Sun

New observatories in space and on the ground are providing us with our best views yet of the Sun — providing insight into puzzles that have remained unsolved for decades.

Smoky Strawberry Moon

Astronomy & Observing News

When Wildfires Imperil Our Night Skies, See Double and Variable Stars

As wildfire season expands, observers across much of the country try to make do.

Image of solar plasma in pink

Astronomy & Observing News

Sharpest Images Yet of the Sun's Corona [VIDEOS]

New adaptive optics technology has resulted in the sharpest views yet of the solar corona.

Parker Solar Probe

Astronomy & Observing News

Parker Solar Probe Swings By Sun in Closest Approach Yet

A Christmas Eve pass will take the Parker Solar Probe closer to the Sun than ever before.

GOES U

Astronomy in Space with David Dickinson

New Coronagraph Is Observing the Sun

A new coronagraph mission is now orbiting Earth on a mission to provide direct observations of the Sun for space-weather forecasts.

Astronomy & Observing News

New Forecast Resets Solar Cycle Expectations

A new forecast suggests that sunspot numbers, aurorae, and other solar activity will peak sooner and at a higher level than expected.

Magnetic field lines on the Sun

Astronomy & Observing News

Parker Solar Probe Detects Source of Solar Wind

The Sun flings charged particles and accompanying magnetic fields into the solar system, but how? NASA's Parker Solar Probe dives in to find out.

Astronomy & Observing News

The Sun Gets Its Close-up: Images from New Solar Telescope

The Daniel K. Inouye Solar Telescope shows some stunning detail on the Sun, including sunspots, fibrils, granules, and other solar textures.

solar flare

Astronomy & Observing News

The Sun's Ramping Up Activity — But Still Weaker Than in the Past

The Sun has recently experienced an uptick in activity, with lots of sunspots accompanied by flares, coronal mass ejections, and visible auroras — but experts still expect a mild solar cycle.

rainbow with black lines marking where different atoms have absorbed wavelengths of light

Astronomy & Observing News

What Is the Sun Made Of? New Data Deepens Debate

New data from a detector tucked under a mountain in Italy has shed light on what's inside the Sun.

ASO-S launch with sunset in background

Astronomy & Observing News

Chinese Observatory Will Study Violent Events on the Sun

China has sent up the ASO-S space observatory to study solar flares, eruptions, and the Sun’s magnetic field.

rainbow with black lines marking where different atoms have absorbed wavelengths of light

Astronomy & Observing News

Mystery of the Sun's Chemical Makeup Lingers

Astronomers think they might have a solution to the conundrum of the Sun's chemical composition.

Solar Orbiter images of Sun

Astronomy & Observing News

Spotting Dots on the Sun

You’ve heard of sunspots, but how about Sun dots? A recent solar mission has snapped photos of tiny, bright dots on the Sun, and astronomers are contemplating their cause.

Naked eye sunspots

Astronomy & Observing News

How to Observe and Measure Naked-eye Sunspots

As Solar Cycle 25 ticks up, naked-eye sunspots are becoming more frequent. They're not only fun to observe, but with this simple method you can determine just how big they are. We also have news on a bright supernova!

Halpha sun with prominences

Eclipses

How to Safely See a Solar Eclipse

Our star is an amazing object to observe, whether by eye or with optical aid. These time-tested tips will let you see the solar disk worry-free.

Observing the stars

Explore the Night with Bob King

See the Sun from Other Stars

We journey to distant suns to look back at our solar system and see its place among the stars.