110461
This loss of the lighter isotope is one explanation for why Venus has such a high D / H ratio , as that planet 's water was vaporized during the runaway greenhouse effect and subsequently lost much of its hydrogen to space .
 astronomical object: Venus
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Venus 
Answer:
 astronomical object: Venus