PULL · 31 OCT 2017 This was
This was
your sky.
Dark Matter in a Simulated Universe
NASA APOD · Tom Abel &
Ralf Kaehler
(KIPAC,
SLAC),
AMNH
COSMIC MESSAGE
This image from the Hayden Planetarium's Dark Universe show maps the distribution of dark matter. Dark matter, which we cannot directly observe, makes up most of the universe's mass. Its gravitational pull explains why galaxies rotate faster than expected and why light bends around galaxy clusters. Scientists infer its presence from its effects on visible matter.
CREDIT
© COPYRIGHTED Tom Abel &
Ralf Kaehler
(KIPAC,
SLAC),
AMNH · Tom Abel &
Ralf Kaehler
(KIPAC,
SLAC),
AMNH · used by permission via NASA APOD · not for redistribution.
EXPORT AS
SB-2017-10-31
©
COMMON 
2017-10-31 · ♏
SKYBORN
Dark Matter in a Simulated Universe
NASA APOD · Tom Abel &
Ralf Kaehler
(KIPAC,
SLAC),
AMNH
BORN 3162 days ago
SKYBORN.APP
ZODIAC CONTEXT
♏
SCORPIO
In tropical astrology, 31 OCT 2017 falls under Scorpio (♏). The sign's window runs from 10-23 through 11-21. Scorpio is marked by Antares, a red supergiant the size of Mars's orbit. The Sun was crossing this region of the sky on 31 OCT 2017.
THE ALMANAC FOR 31 OCT 2017
DAY
Tuesday
MOON
Waxing gibbous, 85% lit
POSITION
Day 304 of 365
SAME DAY, OTHER YEARS