Pic based on the horror, Sci Fi, 1985 film "Lifeforce", directed by Tobe Hooper:

http://www.imdb.com/title/tt0089489/?ref_=nv_sr_1

The three main things I remember from this movie:

The naked Alien girl, played by Mathilda May and...

Patrick Stewart, almost being kissed by a man...

And, the Halley Comet...