Solar Astronomy
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…
Measuring the Coronal Temperature with Iron
This image of the solar corona contains a color overlay of the emission from highly ionized iron lines and white…
Solar Activity is Picking Up
The current solar cycle (24) has been pretty boring, but a new sunspot -- 1035 -- is growing rapidly and…
Comets Posing as Asteroids (or is the the other way around?)
[/caption] Asteroids are rocky bodies which belong between Mars and Jupiter. Comets are icy bodies that belong way out beyond…
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…
MESSENGER Solves Solar Flare Mystery
[/caption] In a case of being in the right place at the right time, the MESSENGER spacecraft was able to…
Spacecraft Detects Mysterious “Ribbon” at Edge of Solar System
[/caption] Since it launched a year ago, the Interstellar Boundary Explorer (IBEX) has been monitoring heliosphere and how our Sun…
Two Equinox Sunspots
[/caption] Two sunspots appeared on old Sol yesterday just as Earth's orbit ushered in the Autumnal Equinox. Two sunspots showing…
Temporary Radiation Belt Discovered at Saturn
[/caption] A new, temporary radiation belt has been detected at Saturn, located about 377,000 km from the center of the…
July 22, 2009 Total Solar Eclipse from China – Let’s Chase!
[/caption] The total solar eclipse which just occurred on the 22nd of July 2009 was the longest maximum duration of…