News tagged with sun

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Having fun with the equation of time

If you're like us, you might've looked at a globe of the Earth in elementary school long before the days of Google Earth and wondered just what that strange looking figure eight thing on its side was.

Jul 28, 2014
4.8 / 5 (9) 2

Large coronal hole near the sun's north pole

The European Space Agency/NASA Solar and Heliospheric Observatory, or SOHO, captured this image of a gigantic coronal hole hovering over the sun's north pole on July 18, 2013, at 9:06 a.m. EDT. Coronal holes ...

Jul 20, 2013
4.6 / 5 (22) 33 | with audio podcast

Solving sunspot mysteries

Multi-wavelength observations of sunspots with the 1.6-meter New Solar Telescope at Big Bear Solar Observatory (BBSO) in California and aboard NASA's IRIS spacecraft have produced new and intriguing images ...

Jun 03, 2014
5 / 5 (4) 2

Comet ISON's dramatic final hours

(Phys.org) —A new analysis of data from the ESA/NASA Solar and Heliospheric Observatory (SOHO) spacecraft has revealed that comet 2012/S1 (ISON) stopped producing dust and gas shortly before it raced past ...

Jul 16, 2014
4.7 / 5 (7) 2

Brown dwarf companion stars

(Phys.org) —Astronomers trying to understand how the Sun and Earth formed, and why they have their characteristic properties, have made progress on a closely related problem: the nature of the lowest mass ...

Sep 02, 2013
4.3 / 5 (4) 0 | with audio podcast

Will comet ISON survive its brush with the Sun?

(Phys.org) —The much-anticipated close approach of comet ISON to the Sun this November may be spectacular as viewed from Earth, but it's unlikely to spell the end of the comet, according to a numerical-simulation study ...

Oct 11, 2013
4.8 / 5 (5) 1 | with audio podcast