On Feb. 3, an asteroid more than three times as long as it is wide safely flew past Earth at a distance of about 1.1 million miles (1.8 million kilometers, or a little under five times the distance between the Moon and Earth). ...
Planetary Sciences
Feb 18, 2023
0
612
In the center of our galaxy, hundreds of stars closely orbit a supermassive black hole. Most of these stars have large enough orbits that their motion is described by Newtonian gravity and Kepler's laws of motion. But a few ...
Astronomy
Aug 14, 2020
17
817
A newly discovered comet is streaking past Earth, providing a stunning nighttime show after buzzing the sun and expanding its tail.
Space Exploration
Jul 10, 2020
10
4150
A University of Hawaiʻi Institute for Astronomy (IfA) astronomer has revealed critical new findings linked to a large asteroid expected to pass extremely close to Earth. Dave Tholen and collaborators have announced the detection ...
Astronomy
Oct 27, 2020
9
1568
Astronomers from UCLA's Galactic Center Orbits Initiative have discovered a new class of bizarre objects at the center of our galaxy, not far from the supermassive black hole called Sagittarius A*. They published their research ...
Astronomy
Jan 15, 2020
87
4505
A NASA spacecraft has officially "touched" the sun, plunging through the unexplored solar atmosphere known as the corona.
Space Exploration
Dec 19, 2021
0
140
For the second time in its mission so far, the ESA/NASA Solar Orbiter spacecraft has flown through the tail of a comet. Predicted in advance by astronomers at University College London, UK, the spacecraft collected a wealth ...
Space Exploration
Jan 26, 2022
0
89
Thirty years ago, on Aug. 25, 1989, NASA's Voyager 2 spacecraft made a close flyby of Neptune, giving humanity its first close-up of our solar system's eighth planet. Marking the end of the Voyager mission's Grand Tour of ...
Space Exploration
Aug 23, 2019
0
1800
A massive eruption of solar material, known as a coronal mass ejection or CME, was detected escaping from the sun at 11:36 p.m. EDT on March 12, 2023.
Astronomy
Mar 15, 2023
0
131
The near-Earth object was thought to pose a slight risk of impacting Earth in 2068, but now radar observations have ruled that out.
Space Exploration
Mar 26, 2021
12
1254
