News on the March: Gravitational Lensing

Bennythomas's Weblog

On Feb.9 article in C/Net was this headline:

Gravity in space produces a cosmic grin

Hubble has taken a photo of what seems to be a smiling cartoon face in the depths of space, which the writer explains as an effect produced by a phenomenon known as gravitational lensing. How do we explain a Smiley in the abyss? The two dots are galaxies and for a grin we see light curved to give us an impression of a goofy grin. To complete the picture there is a ring around suggesting the head. It is light bending by gravitational field exerting its force on it. This is called Einsteins ring.

Astronomers know the existence of distortion of light by gravity and must correct gravitational lensing in order to understand what they are looking at it.

It is not what it seems to us who are conditioned to look at images with…

View original post 322 more words

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s