Depictions of the Milky Way show a coiling pattern of spiral "arms" filled with stars extending outward from the center. Similar patterns have been observed in the swirling clouds of gas and dust surrounding some young stars—planetary ...
Astronomy
Jul 6, 2023
0
34
The search for planets outside our solar system—exoplanets—is one of the most rapidly growing fields in astronomy. Over the past few decades, more than 5,000 exoplanets have been detected and astronomers now estimate ...
Planetary Sciences
Jul 1, 2023
1
70
When our sun reaches the end of its life, it will expand to 100 times its current size, enveloping the Earth. Many planets in other solar systems face a similar doom as their host stars grow old. But not all hope is lost, ...
Planetary Sciences
Jun 28, 2023
48
596
Astronomers using W. M. Keck Observatory on Maunakea, Hawaiʻi Island have discovered one of the lowest-mass planets whose images have been directly captured. Not only were they able to measure its mass, but they were also ...
Astronomy
Jun 23, 2023
0
252
An international team led by Stefan Pelletier, a Ph.D. student at Université de Montréal's Trottier Institute for Research on Exoplanets have made a detailed study of the extremely hot giant exoplanet WASP-76 b.
Planetary Sciences
Jun 14, 2023
0
89
Astronomers have described the first radiation belt observed outside our solar system, using a coordinated array of 39 radio dishes from Hawaii to Germany to obtain high-resolution images. The images of persistent, intense ...
Astronomy
May 15, 2023
1
273
In space, cataclysmic events happen to stars all the time. Some explode as supernovae, some get torn apart by black holes, and some suffer other fates. But when it comes to planets, stars turn the tables. Then it's the stars ...
Planetary Sciences
May 10, 2023
0
20
To sit under the vast expanse of stars is to imagine swimming across shining, stellar rivers, creeks and tributaries. But to sit here also is to feel that lump in your throat and skip in your heart, realizing everything you ...
Astronomy
Apr 21, 2023
0
85
Of the many different kinds of stars, asymptotic giant branch (AGB) stars, usually slightly larger and older than our own sun, are known producers of interstellar dust.
Astronomy
Apr 6, 2023
0
17
Stars with less than half the mass of our sun are able to host giant Jupiter-style planets, in conflict with the most widely accepted theory of how such planets form, according to a new study led by UCL (University College ...
Astronomy
Mar 22, 2023
0
58
