sun

Solar Flares Can Now Be Predicted More Accurately

[/caption] We all like to know in advance what the weather is going to be like, and space weather is…

15 years ago

Eclipse Sunspots Signal Increased Activity

[/caption] Astrophotographers capturing the recent annular solar eclipse on January 15, 2010 got an added bonus: upon closer inspection, they…

15 years ago

Solar Activity is Picking Up

The current solar cycle (24) has been pretty boring, but a new sunspot -- 1035 -- is growing rapidly and…

15 years ago

New Images Provide Insight Into Our Sun’s Ultimate Fate

[/caption] When our Sun begins to die, it will become a red giant as it runs out of hydrogen fuel…

15 years ago

What is a Sun Dog?

A sun dog is an atmospheric phenomenon where you can see additional bright patches in the sky on either side…

15 years ago

Green Flash Sunset

[/caption] Have you ever heard of a green flash sunset? You might think it's a myth, but this is a…

15 years ago

Chromosphere

[/caption] The Sun may look like just a mass of incandescent gas (plasma, really), but it's actually broken up into…

15 years ago

How Far Away is Pluto From the Sun?

[/caption] How far away is Pluto from the Sun? Pluto's average distance from the Sun is 5.9 billion km or…

15 years ago

Shedding Light on the Sun’s “Lithium Mystery”

For decades, astronomers have known our Sun contains a low amount of lithium, while other solar-like stars actually have more.…

15 years ago

Up, Up and Away! Helium Balloon Telescope Explores the Sun

Exploring the Sun via helium balloon almost sounds like an adventure for an animated movie, but the SUNRISE balloon-borne telescope…

15 years ago