DSCOVR, launched in 2015 and declared operational in July 2016, is the primary satellite providing data needed for space weather warnings.

NOAA could be forced to delay plans for a space weather satellite if Congress decides to extend a stopgap spending bill currently funding the agency for the full year.

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Jeff Foust has more than a decade of experience writing about space policy, entrepreneurial ventures and regulatory affairs. In 2001, he established spacetoday.net to aggregate and summarize the day's space-related news stories. In 2003, he started The...