保护地球，探索宇宙，发现文明
2020年8月12日 The Shifting Tails of Comet NEOWISE Image Credit & Copyright: Ignacio Llorens Explanation: Keep your eye on the ion tail of Comet NEOWISE. A tale of this tail is the trail of the Earth. As with all comets, the blue ion tail always points away from the Sun. But as Comet C/2020 F3 (NEOWISE) rounded our Sun, its ion tail pointed in slightly diff...
2020年7月16日 The Long Tails of Comet NEOWISE Image Credit & Copyright: Petr Horalek Explanation: This Comet NEOWISE (C/2020 F3) now sweeps through our fair planet’s northern skies. Its long tails stretch across this deep skyview from Suchy Vrch, Czech Republic. Recorded on the night of July 13/14, the composite of untracked foreground and tracked an...
2020年7月11日 The Tails of Comet NEOWISE Image Credit & Copyright: Miloslav Druckmuller (Brno University of Technology) Explanation: Comet NEOWISE (C/2020 F3) is now sweeping through northern skies. Its developing tails stretch some six degrees across this telescopic field of view, recorded from Brno, Czech Republic before daybreak on July 10. Pushed out b...