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RT @Jos_de_Bruijne: "Uncovering the Orbit of the Hercules Dwarf Galaxy" https://t.co/NuKcmZcvuj "The [mean #GaiaDR2] proper motion is sligh…
RT @Jos_de_Bruijne: "Uncovering the Orbit of the Hercules Dwarf Galaxy" https://t.co/NuKcmZcvuj "The [mean #GaiaDR2] proper motion is sligh…
RT @Jos_de_Bruijne: "Uncovering the Orbit of the Hercules Dwarf Galaxy" https://t.co/NuKcmZcvuj "The [mean #GaiaDR2] proper motion is sligh…
RT @Jos_de_Bruijne: "Uncovering the Orbit of the Hercules Dwarf Galaxy" https://t.co/NuKcmZcvuj "The [mean #GaiaDR2] proper motion is sligh…
"Uncovering the Orbit of the Hercules Dwarf Galaxy" https://t.co/NuKcmZcvuj "The [mean #GaiaDR2] proper motion is slightly misaligned with the elongation of Hercules, in contrast to models which suggest that tidal debris should be well aligned with the …