Help make Alexa smarter on Alexa Answers. Sign in with Amazon


How many solar systems are known?

So far, astronomers have found more than 500 solar systems & are discovering new ones every year. Given how many they have found in our own neighborhood of the Milky Way galaxy, scientists estimate that there may be tens of billions of solar systems in our galaxy, perhaps even as many as 100 billion

{{ relativeTimeResolver(1584229530405) }}

Points points 37

Similar Questions
Sign in to view all similar questions

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world