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Now, STEREO-A’s lead is so great that it is catching up to Earth from behind and is about to “lap” Earth, having completed 18 circuits around the Sun while Earth completed just 17. || ", "release_date": "2023-08-22T00:00:00-04:00", "update_date": "2025-01-06T00:44:34.491471-05:00", "main_image": { "id": 857695, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a005100/a005136/STEREOflyby.STEREOflybyZoom.GSE.AU.clockSlate_EarthTarget.HD1080.00500_print.jpg", "filename": "STEREOflyby.STEREOflybyZoom.GSE.AU.clockSlate_EarthTarget.HD1080.00500_print.jpg", "media_type": "Image", "alt_text": "A view of the orbit of STEREO-A relative to Earth from mid-June 2023 to mid-October 2023, as it passes Earth. The camera is anchored on the Earth-Sun line so Earth and the Sun appear fixed while the distant stars appear to move around the camera. This movie starts with a wide view of the inner solar system with STEREO-A and Earth marked. The camera then zooms in to a closer view of Earth showing Solar Dynamics Observatory (SDO) orbiting Earth, the heliophysics missions orbiting the L1 Lagrange Point (the green cross), and the orbit of the Moon.", "width": 1024, "height": 576, "pixels": 589824 } } ], "sources": [], "products": [], "newer_versions": [], "older_versions": [], "alternate_versions": [] }