Editing Advanced Composition Explorer (section)

== Follow-on space weather observatory ==
On 11 February 2015, the [[Deep Space Climate Observatory]] (DSCOVR)—with several similar instruments including a newer and more sensitive instrument to detect Earth-bound [[coronal mass ejection]]s—successfully launched by [[NASA]] and [[National Oceanic and Atmospheric Administration]] aboard a [[SpaceX]] [[Falcon 9 v1.1|Falcon 9]] [[launch vehicle]] from [[Cape Canaveral]], [[Florida]]. The spacecraft arrived at L<sub>1</sub> by 8 June 2015, just over 100 days after launch.<ref name="noaa20150608">{{cite news |url=http://www.nesdis.noaa.gov/news_archives/DSCOVR_L1_orbit.html |title=Nation's first operational satellite in deep space reaches final orbit |publisher=NOAA |url-status=dead |archive-url=https://web.archive.org/web/20150608182042/http://www.nesdis.noaa.gov/news_archives/DSCOVR_L1_orbit.html |archive-date=June 8, 2015 |date=June 8, 2015 |access-date=June 8, 2015}} {{PD-notice}}</ref> Along with ACE, both will provide space weather data as long as ACE can continue to function.<ref name=nsf20150208>{{cite news |last1=Graham |first1=William |title=SpaceX Falcon 9 ready for DSCOVR mission |url=http://www.nasaspaceflight.com/2015/02/spacex-falcon-9-dscovr-mission/ |access-date=February 8, 2015 |publisher=NASASpaceFlight.com |date=February 8, 2015}}</ref>