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Eddie Irizarry

Sunspots during solar eclipse? Probably

Add sunspots to the list of wondrous sights to look for during the total solar eclipse of August 21, 2017.

Close shave from an undetected asteroid

Whoosh! Astronomers discovered a small asteroid – now designated as asteroid 2017 OO1 – on July 23. That was 3 days after it passed 1/3 the moon’s distance from Earth.

Amazing views of waltzing nearby stars

Astronomers used the Hubble Space Telescope to follow the 2 brown dwarfs in the Luhman 16AB system, as they move both across the sky and around each other.

Two big asteroids to pass safely

Radar astronomers are peering toward asteroid 2017 CS, closest on May 29. Another asteroid – 418094 (2007 WV4) – will be closest June 1. Charts here for Saturday night, for 8-inch or larger ‘scopes!

This asteroid and comet look similar

Radar images of close-passing large asteroid 2014 JO25, which swept near last week, show it looks a lot like Comet 67P/Churyumov–Gerasimenko, which was explored by the Rosetta spacecraft.

Asteroid 2014 JO25 bigger than expected

It’s coming closer today than any asteroid this large since 2004. It came into view of small telescopes a few hours ago. Early radar observations indicate it’s bigger than we thought.

Round object crosses the moon

During Friday’s penumbral eclipse of the moon, an observer in Puerto Rico captured images of a black disk moving across the moon’s face.

Small asteroid to pass very close today

Asteroid 2016 RB1 will pass safely – at about the distance of our geosynchronous satellites – on September 7, 2016.

Hours after discovery, asteroid swept by

Asteroid 2016 QA2 was twice as big as the space rock that entered over Russia in 2013, breaking windows in 6 Russian cities. It passed safely Saturday night.

Spectacular rocket reentry over US West

Observers in the U.S. West saw a disintegrating meteor – a fireball, or extremely bright meteor – on July 27, 2016. It was the reentry of a Chinese rocket body.