![[Q&A] True Color of Sunspots, Saving the Earth, Identifying Interstellar Objects](/static/images/placeholder.jpg)
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[Q&A] True Color of Sunspots, Saving the Earth, Identifying Interstellar Objects
['Fraser Cain']
Universe Today Podcast
How many stars did our radio signals reach?
Can we save the Earth from the Sun's red giant phase?
How can we tell that an object has interstellar origin?
05:19 [Coruscant] How many stars did our radio signals reach?
33:04 [Geonosis] How can we tell that an object is interstellar?
['signals'
'red'
'earth'
'object'
'identifying'
'tell'
'true'
'stars'
'phase'
'visualize'
'sunspots'
'radio'
'objects'
'color'
'mars'
'qa'
'saving'
'interstellar']