News tagged with red dwarf star

Are aliens watching old TV shows?

You've probably heard the trope about how aliens have been watching old episodes of "I Love Lucy" and might think these are our "historical documents". How far have our signals reached?

Jan 20, 2015
4.7 / 5 (26) 51

The coolest stars

One way that stars are categorized is by temperature. Since the temperature of a star can determine its visual color, this category scheme is known as spectral type. The main categories of spectral type are ...

Sep 29, 2014
4.5 / 5 (16) 1

Lobster-shaped extrasolar oceans

Alien planets circling the most common stars in the universe may often have strange lobster-shaped oceans on their surfaces, researchers in China now say.

Mar 13, 2014
4.4 / 5 (16) 12