Tagged: meteors

The day the sky fell in - Out of Space

Duncan Steel Jun 30, 2020

[avatar user=”duncansteel” size=”thumbnail” align=”right” /] It’s June 30th, marked as Asteroid Day by many people of an astronomical bent around the globe. On this date in 1908, early in the morning in a remote part of central Siberia, the sky fell in. Well, not literally. What happened is a substantially-sized bit of cosmic detritus – a lump of rock … Read More

New interstellar comet discovered - Out of Space

Duncan Steel Sep 13, 2019

[avatar user=”duncansteel” size=”thumbnail” align=”right” /] Astronomers have searched over many decades for comets that have come from interstellar space, perhaps from a planetary system orbiting a nearby star in the Milky Way. A blank was drawn in this quest for a long, long time… and now, similarly to London buses, two have come along almost at once. The diagram at … Read More

Asteroid Day… and what may follow - Out of Space

Duncan Steel Jun 30, 2019

[avatar user=”duncansteel” size=”thumbnail” align=”right” /] The Tunguska explosion in 1908 was due to the arrival of a small (perhaps 50 metre) cosmic object, quite likely a fragment of a known comet. Astronomers are now wondering whether siblings of that projectile might pass close by the Earth over the next week or so.  I write tonight on Asteroid Day, which … Read More