... Science User Portal . ... Survey Telescopes . ... A new study published in Nature this week reveals that asteroid surfaces age and redden much faster than previously thought тАФ in less than a million years, the blink of an eye for an asteroid. This study has finally confirmed that the solar wind is the most likely cause of very rapid space weathering in asteroids. ... 3] The surface of an asteroid is affected by the highly energetic particles forming the solar wind. ... Young Asteroids Look Old . ...