PULL · 28 MAY 2006

This was
your sky.

GRO J1655-40: Evidence for a Spinning Black Hole

NASA APOD

COSMIC MESSAGE

At the center of a swirling disk of hot gas, a black hole is likely hidden. Observations of the gas around GRO J1655-40 reveal unusual flickering 450 times a second. This rate, combined with a mass estimate of seven times our Sun, suggests a spinning black hole.

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COMMON

GRO J1655-40: Evidence for a Spinning Black Hole

2006-05-28 · ♊

SKYBORN

GRO J1655-40: Evidence for a Spinning Black Hole

NASA APOD

BORN 7336 days ago

SKYBORN.APP

Move your cursor across the card to tilt it. Holographic foil ripples through the edges and surface as you go.

ZODIAC CONTEXT

♊

GEMINI

In tropical astrology, 28 MAY 2006 falls under Gemini (♊). The sign's window runs from 05-21 through 06-20. Gemini is named for the twin stars Castor and Pollux, both bright enough to spot without a telescope. The Sun was crossing this region of the sky on 28 MAY 2006.

THE ALMANAC FOR 28 MAY 2006

DAY

Sunday

MOON

New moon, 1% lit

POSITION

Day 148 of 365

SAME DAY, OTHER YEARS

NEARBY DATES

This was your sky.

GRO J1655-40: Evidence for a Spinning Black Hole

This was
your sky.