Tagged: interstellar comet

Science at the movies: The new comet impact film - Out of Space

Duncan Steel Oct 22, 2020

[avatar user=”duncansteel” size=”thumbnail” align=”right” /] Disaster movies forever capture the public attention… but did you ever stop to think that the word disaster actually means bad star? That is, ‘dis’ implies a pejorative (as in disease, or disgust, or disrespect), while ‘aster’ comes from the Latin astrum, similarly the Greek astron. Obviously enough, this derives from old astrological beliefs. In modern … Read More

Interstellar comet update - Out of Space

Duncan Steel Sep 19, 2019

[avatar user=”duncansteel” size=”thumbnail” align=”right” /] The discovery of a true interstellar comet – a comet passing through the solar system having arrived, presumably, after having been thrown out of some other planetary system orbiting another star – re-opens a long-debated question in science: is life unique to Earth, or is it common in the galaxy? The panspermia hypothesis holds that … 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