Asteroids | Universe Today

Asteroids

Rocks on Bennu are Cracking Because of the Constant Day/Night Cycling

Asteroid Bennu is blanketed by rocks and huge boulders. And now that the OSIRIS-REx spacecraft is taking a close look…

4 weeks ago

OSIRIS-REx Will Collect a Sample from Bennu on October 20th

The date is finally set for OSIRIS-REx's sampling maneuver. The spacecraft has been at asteroid Bennu since the end of…

2 months ago

The Tunguska Explosion Could Have Been Caused By An Asteroid That Still Orbits The Sun

On a cool Summer morning in 1908, a fireball appeared over Northern Siberia. Eyewitnesses described a column of blue light…

2 months ago

OSIRIS-REx Descended Down to Just 75 Meters Above the Surface of Bennu in a Recent Test

NASA's OSIRIS-REx spacecraft is getting ready for its big moment. OSIRIS-REx (Origins, Spectral Interpretation, Resource Identification, Security, Regolith Explorer) is…

2 months ago

These are the Boulders OSIRIS-REx is Going to Use to Navigate Down to the Surface of Bennu

Meet OSIRIS-REx's "Guide Boulders." When the NASA spacecraft first arrived at asteroid Bennu over a year ago, the surface of…

4 months ago

Asteroid Bennu is Getting Some Official Names for its Surface Features

Late last summer, NASA and the International Astronomical Union’s Working Group for Planetary System Nomenclature (a.k.a WGPSN) approved the naming…

4 months ago

OSIRIS-REx did its Closest Flyover Yet, just 250 Meters Above its Sample Site

NASA's OSIRIS-REx is getting closer, physically and temporally, to its primary goal. The spacecraft arrived at Bennu at the end…

4 months ago

Even Though it Was Observing an Asteroid, OSIRIS-REx Accidentally Spotted a Black Hole

While the OSIRIS-REx spacecraft was orbiting asteroid Bennu, one of the instruments on board happened to catch a glimpse of…

4 months ago

Astronomers Discover a Tiny New Temporary Moon for the Earth. Welcome to the Family 2020 CD3

Astronomers are increasingly interested in Near-Earth Objects, or NEOs. There are ongoing efforts to find them all and catalog them…

4 months ago

New Images of the “Golf Ball” Asteroid Pallas

New images of the asteroid Pallas (the clearest and most detailed to date) reveal that it looks like a "golf…

5 months ago