Marco's Blog

In this first case as pictured below, an ice skater takes advantage of the conservation of angular momentum to increase rotational velocity...

It is well known that a figure skater takes advantage of the conservation of angular momentum to achieve incredible speeds of rotation by...

The 67P C-P change concerned is documented by the ESA here  http://sci.esa.int/rosetta/58915-comet-changes-new-fracture-and-boulder-movement...

With regards to liquid water on comets, my thoughts conclude that although evidence is circumstantial in the terms of supposed solar system ...

As suggested in a recent peer reviewed paper: http://www.nature.com/nature/journal/v534/n7607/full/nature17670.html Hirabayashi et al Stress...

This is an extension of the changes noted in this post: http://marcoparigi.blogspot.com.au/2016/06/more-on-rockfall-area.html And http://mar...

Some aspects of cometary science of 67P are more critical than others regarding accuracy. This is because measurements, maps, feature identi...

Before and after perihelion images are a great way to verify theories about the connection between outbursts/outgassing...

Following is an image of Anuket taken well before perihelion in 2014 Note the triangle of boulders and the shortish shadows. Also a...

Hallelujah - Philae's been found. The comet landing space probe lost  Years ago when it went to ground, Into a shadowy nook tosse...

See images to work out what you are looking at and the area of Abydos from many different angles, lighting and magnification. Colours are ...