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Eddie Irizarry

How to see 2018’s brightest comet

Comet 46P/Wirtanen is 2018’s brightest comet, but that doesn’t mean it’s bright. Although theoretically visible to the eye now, the comet is large and diffuse … not easy to see. Charts, tips and other info here.

Astronomers glimpse Comet Wirtanen’s telltale spin

This comet is due to pass closest to our sun and Earth in December 2018. It’s already the brightest comet in the night sky, visible to astronomers with telescopes and binoculars. A new image shows the comet’s rotation!

Small asteroid passed closer than TV satellites

Newly-discovered Asteroid 2018 UA made an extremely close approach to Earth on Friday morning. Luckily, the space rock was too small to be dangerous.

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.

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?

MASCOT returns 1st image from asteroid Ryugu

Japan’s Hayabusa2 spacecraft deployed the MASCOT lander to asteroid Ryugu yesterday. Now, MASCOT has returned its 1st image. An international team of engineers and scientists in Germany is standing by.

Latest images via Japanese rovers on asteroid Ryugu

Japan’s space agency JAXA released new images today from the rovers set down on the surface of asteroid Ryugu by the Hayabusa2 spacecraft.

Best pics of the comet as it swept safely past

Comet 21P/Giacobini-Zinner came closer to Earth this week than it had in 72 years. Favorite photos here, from the EarthSky community. Plus info on comet Wirtanen, which might become visible to the eye alone later this year.

Curiosity finds strange object on the surface of Mars

The Mars Curiosity rover captured images of this strange object on the planet’s surface on Monday. What is it? NASA scientists have figured it out.

Asteroid 2017 YE5 turns out to be double

Asteroid 2017 YE5 swept by Earth in late June. Turns out, it’s a double asteroid, with both bodies almost identical in size and not touching – only the 4th such object ever detected.