sunspots
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
Unprecedented Images Show Betelgeuse Has Sunspots
Caption:The surface of Betelgeuse in near infrared at 1.64 micron in wavelength, obtained with the IOTA interferometer (Arizona). The image…
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