Earth · Moon · Sky

Is it worth stepping outside tonight? Here's the sky's answer for San Jose, CA

Tonight

reading the sky…

Reading the sky…

Darkness
Moon
Planets
Station
Aurora
GeomagneticKp index
Solar X-rayflare class
Solar windkm/s
ISS nowsubpoint

The Instruments

Five live rooms. Each tile is the real view, right now — click in for the full instrument and the why-it-looks-that-way.

The Sun, live from NASA SDO

The Sun

Live in nine wavelengths, the flare log, and the corona out to LASCO's edge.

This hour's Moon from NASA SVS

The Moon

This hour's moon, a 30-day libration loop, phase calendar, and eclipses from your spot.

The Earth, live from NOAA GOES-West

The Earth

GOES full-disk loops, a day of EPIC, and a living map of fires, storms, and quakes.

Blue Marble globe

Orbit

A live ground-track map, a fleet of six satellites, and a visible-pass planner.

Current auroral oval from NOAA SWPC

Space Weather

The aurora oval, Kp history and forecast, solar wind trends, and the alert wire.

Observer location

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