Schrödinger’s comet

As far as I can tell, Comet ISON is neither alive not dead, but in some stage in-between. Something came out from behind the sun. Watch this space. Por lo que puedo decir, el cometa ISON no está ni vivo ni muerto, pero en algún en el medio. Algo salió de detrás del sol. Mire este espacio. Soweit ich das beurteilen kann, ist weder lebendig Comet ISON nicht tot, sondern…

November 30, 2013

R.I.P. Comet ISON (probably)

Comet ISON
November 28, 2013

<   It looks like comet ISON has broken up. I’m disappointed, but I’m not surprised. The comet’s closest approach was just 1,165,000 km (724,000 mi) from the surface of the sun. This is not a safe place for a snowball. The image above shows just how close it got. The black disc in the centre of the picture is called a cronograph. It covers up the sun so that...


Comet ISON is visible to the naked eye

As comets approach the sun, they warm up and the head and tail grow bigger and brighter. ISON is now visible, in the constellation Virgo, near the bright star Spica. That’s in the east before dawn. There’s a finder chart at and more informationa at Phil Plait’s blog. Please excuse the rush. I’m trying to finish a book of children’s stories about La Palma’s amazing night sky. Cuando los…

November 19, 2013