Solar Astronomy

Solar Orbiter Continues to Get Closer to the Sun, Revealing More and More With Each Pass

On April 10th, ESA's Solar Orbiter made its closest flyby of the Sun, coming to within just 29% of the…

10 months ago

NASA Restores a Spacecraft by Turning it Off and Then On Again

When faced with a potentially mission-ending problem with NASA’s 15-year-old Interstellar Boundary Explorer (IBEX) spacecraft, engineers performed a time-honored procedure…

12 months ago

Birds use Dynamic Soaring to Pick Up Velocity. We Could Use a Similar Trick to Go Interstellar

A new proposal for an interstellar mission shows how a solar sail could use the same technique birds do to…

1 year ago

NASA Tests a Solar Sail Segment of its Enormous Solar Cruiser Mission

A team led by NASA Marshall was selected to build a technology demonstrator called the Solar Cruiser to mature solar…

1 year ago

Solar Orbiter Records a Stunning Timelapse of Solar Activity as it Completes its Latest Flyby

The sun is currently sleeping. Its surface and corona are relatively quiet as it prepares to ramp up for an…

1 year ago

Solar Orbiter Captures the First Ever Image of a Magnetic Solar Switchback on the Sun

On March 25, 2022, the ESA/NASA Solar Orbiter spacecraft closed in on the Sun, getting ready to study it during…

1 year ago

Coronal Loops Might Not Be Loops At All

We've all seen the gorgeous images and videos of coronal loops. They're curved magnetic forms that force brightly glowing plasma…

2 years ago

A Colossal Flare Erupted From the Far Side of the Sun

Earlier this week the Sun erupted with a huge explosion, blasting solar particles millions of kilometers into space. The team…

2 years ago

During a Solar Flare, Dark Voids Move Down Towards the Sun. Now We Know Why

Solar flares are complex phenomena. They involve plasma, electromagnetic radiation across all wavelengths, activity in the Sun's atmosphere layers, and…

2 years ago

Parker Solar Probe Flies Through the Sun’s Outer Atmosphere for the First Time

For the first time ever, a spacecraft has flown through the Sun’s outer atmosphere. The Parker Solar Probe passed through…

2 years ago