The retrograde motion of Mars

Mars retrograde 2016

About every 26 months, Earth comes up from behind and overtakes Mars. While we’re passing by the Red Planet during the next few months, it will look to us as though Mars is moving ’up and down’. Then, as we move farther along our curved orbit and see the planet from a different angle, this phenomenon will disappear and we will once again see Mars move in a straight line. This apparent erratic movement is called ’retrograde motion’

More info

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