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We look in the direction of the constellation Taurus.

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Around the main star Aldebaran the star cluster Hyades is grouped.
Aldebaran, here marked reddish, does not belong to it.

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The Gaia satellite has measured the motions and parallaxes (distances) of the stars.

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The arrows show the direction of the stars' motions.

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You can see that the stars of the Hyades are practically all moving in one direction.

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Gaia could identified stars in the sky,
 which move in space together with the Hyades.

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They are actually scattered over almost the entire sky.
We have marked them in magenta.
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We now show the motion of the stars a trillion times faster than in reality.

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The period of motion corresponded to 320,000 years.

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Now we turn the clock back to today's time.

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We are traveling at an extreme faster-than-light speed in the
opposite direction to detect all the stars moving with the Hyades.

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And are now orbiting all these stars.

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Most of the stars are concentrated in the centre of the Hyades.

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The others have been pulled out by the tidal forces of the Milky Way over millions of years.

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The orientation of the tidal arms is parallel to the plane of the Milky Way.

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This video was produced by Stefan Jordan and Toni Sagristà Sellés with Gaia Sky.
(http://www.zah.uni-heidelberg.de/gaia/outreach/gaiasky)