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Asteroid 2018 EB has a moon

Binary asteroids – that is, asteroids with moons – aren’t uncommon. More than 300 have been discovered so far. Astronomers found a moon for 2018 EB when it swept closest to Earth on October 7.

New species of giant dinosaur identified

The fossils of Ledumahadi mafube suggest that it was the largest land animal alive 200 million years ago.

Venus passages compared

Venus will sweep near the sun in our sky (inferior conjunction) on October 26. Astronomer Guy Ottewell uses his great skill at illustration to compare this passage of Venus with the last one, and the next one.

The Draconids did have an outburst

Experts had said “no outburst” predicted for the 2018 Draconids. But, since the parent comet had recently passed near, observers knew to watch anyway.

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1st quarter moon is October 16

A 1st quarter moon is high up at sunset. You see it half-illuminated, like half a pie. Really, you’re seeing half the moon’s day side.

All you need to know: Orionid meteor shower

Details on the annual Orionid meteor shower. How and when to watch. In 2018, the peak morning is probably October 21. But start watching now, before dawn!

Are asteroids hiding among the Taurids?

And, more to the point, are any asteroids that might be hidden in the Taurid meteor stream potentially hazardous to Earth?

When white dwarf meets brown dwarf, pow!

In 1670, skywatchers saw a nova, a star that appeared where none had been before. Today’s astronomers have learned it was a collision between an aging white dwarf star, and less massive brown dwarf.

New technology may help solve mystery of life’s origins

How did life on Earth begin? A new technology, called Planet Simulator, might finally help solve the mystery.

Bees stopped buzzing during total solar eclipse

In the path of totality of the August 2017 total solar eclipse, bees stopped flying, says a study. “It was like ‘lights out’ at summer camp.”

South Taurid meteors to peak in October?

The South Taurid meteor shower rarely produces more than 5 meteors per hour, but it’s been known to produce fireballs. The shower is long-running. Watch for these meteors in October and November.

How to spot ISS in your sky

Learn to watch ISS moving silently and steadily across your night sky, and think of the 3 astronauts currently on board.

Today in science: Proxima Centauri

Astronomers thought Alpha Centauri was the closest star to Earth. Then they found a smaller, fainter star that’s even closer. They named it Proxima, which means “nearest.”