Suppose a large solar flare is detected optically. How long until radio interference on Earth arrives?
A) Simultaneously
B)8.5 minutes later
C) About 12 hours
D) About four days
E) No relation between the two
Answer: A
Suppose a large solar flare is detected optically. How long until radio interference on Earth arrives?
A) Simultaneously
B)8.5 minutes later
C) About 12 hours
D) About four days
E) No relation between the two
Answer: A