[/caption] As the race ramps up to find Earth-like planets around other stars, lasers are a viable option. That according to researchers at the Harvard-Smithsonian Center for Astrophysics in Cambridge, Massachusetts, who have created an “astro-comb,” a sort of calibration tool based on wavelengths of light, to pick up minute variations in a star’s motion … Continue reading ‘Astro-comb’ Will Aid Search for Extra-terrestrial Planets