NEOs News – March

Apr 11

Current NEO statistics

More than 200 NEOs were discovered last month, the highest rate since April 2014.

  •  Known NEOs: 15 934 asteroids and 106 comets
  •  NEOs in risk list*: 612
  •  New NEO discoveries since last month: 206
  •  NEOs discovered since 1 January 2017: 525

*The risk list of all known objects with a non-zero (although usually very low) impact probability can be found at http://bit.ly/neorisklist

Focus

Encounters with Jupiter send asteroid on a bizarre backward spin

Mar 30

by John Timmer, from ArsTechnica.com

Each time it approaches Jupiter, its orbit gets reset.

2015 BZ509 orbit jupiter

Credit: NASA

 

Jupiter is widely credited with providing Earth with a bit of protection. The immense gravity of the gas giant typically either sucks in asteroids and comets or flings

Did an asteroid trigger ancient tsunamis on Mars?

Mar 27

by Weston Williams, from The Christian Science Monitor

A team of researchers found that certain geological features on the Red Planet indicate that the impact that created the Lomonosov crater may have also created massive waves in an ancient Martian sea.

Lomonosov crater Mars asteroid tsunami

Mars. Image: NASA

A team of scientists believes that an asteroid impact at the site of Mars’ Lomonosov crater

Blue fireball lights up sky over Sweden

Mar 23

A very large blue fireball illuminated the sky over Sweden around 20:30 UTC (21:30 CET) on March 20, 2017. The event was so powerful that the whole sky lit up, Swedish All Sky Meteor Network astronomers said. blue fireball Sweden 2017

Credits: Jessica Dellsjö

Images of the event immediately started appearing on social