Watch a live view of the Atlas 5 launch pad with countdown audio (members only)

Russia launched a Soyuz rocket Sunday through a veil of fog over the Baikonur Cosmodrome in Kazakhstan, carrying the first spacecraft in a new program to monitor Arctic weather systems and relay emergency communications.

Two days after NASA’s Juno spacecraft streaked over Jupiter’s Great Red Spot, pictures of the solar system’s largest, most powerful storm, have been transmitted to Earth, giving eager scientist close-up views of the 10,000-mile-wide anticyclone where 400-mph winds have been howling for at least 187 years and possibly much longer.

The 100th flight of America’s Evolved Expendable Launch Vehicle program — a United Launch Alliance Atlas 5 rocket — departed Cape Canaveral on Saturday evening carrying the most advanced U.S. weather satellite ever made.