Today's Image
Earth in the cosmic shooting gallery
Earth in the cosmic shooting gallery: A dramatic animation showing some of the many thousands of asteroids orbiting the sun near Earth.
Sun
Sun activity: Unexpected geomagnetic storm. Auroras!
September 27, 2022, sun activity is low with only C flares. An unexpected G2 (moderate) geomagnetic storm from a CME glancing blow brought auroras.
Human World
Space

Launches: SpaceX wraps up Starlink launches for September

Starlink Group 4-35 - SpaceX's final Starlink launch this month - took flight at 23:32 UTC on September 24, 2022, from Cape Canaveral in Florida.
Space

DART strikes its asteroid, in 1st planetary defense test

The DART spacecraft got closer and closer to its asteroid target - then struck it - on Monday, September 26, 2022, in the world's 1st planetary defense test.
Astronomy Essentials

Jupiter at opposition September 27, 2022, closest in 70 years

Earth flies between the sun and Jupiter on September 26. At this 2022 opposition, Jupiter is closer than it's been in 70 years!
Space

Artemis 1 moonship heading to safety, as Ian approaches

Hurricane Ian forced NASA to delay its third attempt to launch the Artemis 1 moon mission and return the SLS to the VAB. No new date has been announced.
Astronomy Essentials

Visible planets and night sky September-October 2022

Visible planets late September-October. Jupiter reached opposition - closest in 70 years - in late September. It's the brightest "star" each evening now.
Space

Maarten Schmidt, father of quasars, dies at 92

Maarten Schmidt died on September 17, 2022, at age 92. He unraveled the mystery of quasars and changed the way scientists view the universe.
Space

Water worlds common on red dwarfs? Maybe.

Scientists at the University of Chicago say that water worlds are likely common around red dwarf stars. Most of that water is probably underground, however.
Human World
Space

Launches: Harmony is ESA’s 10th Earth Explorer mission

In Launches: The latest ESA FutureEO mission, Harmony, is the 10th mission in the Earth Explorer program. Learn more about it here.