ABOUT THIS PODCAST 🔗
StarDate, the longest-running national radio science feature in the U.S., tells listeners what to look for in the night sky.
Hosts:
Update frequency:
daily
Average audio length:
2 minutes
Has sponsors
English
United States
943 episodes
since Jan. 3, 2017
episodic
IN THIS PODCAST 🔗
AUDIENCE OF THIS PODCAST 🔗
~71.28% of listeners are from United States.
🇺🇸
US
71.28%
🇮🇪
IE
11.91%
🇦🇿
AZ
7.47%
🇮🇳
IN
2.60%
🇰🇪
KE
1.62%
🇵🇪
PE
0.97%
🇹🇼
TW
0.65%
🇦🇺
AU
0.54%
🇨🇦
CA
0.43%
🇮🇱
IL
0.43%
🇬🇧
GB
0.32%
🇹🇷
TR
0.21%
🇧🇷
BR
0.21%
🇩🇪
DE
0.21%
🇪🇸
ES
0.21%
🇵🇰
PK
0.21%
🇵🇭
PH
0.10%
🇹🇭
TH
0.10%
🇧🇪
BE
0.10%
🇲🇾
MY
0.10%
🇫🇷
FR
0.10%
🇵🇹
PT
0.10%
Others
0.13%
* Data source: directly measured on Listen Notes. real-time
LATEST EPISODE 🔗
The solar system is big. Really big. It’s almost three billion miles from the Sun to Neptune, the most distant major planet. It’s more than three billion miles to Pluto. And it’s more than twice that far to the edge of the Sun’s magnetic “bubble” – the boun…
PREVIOUS EPISODES 🔗
A meteorite found in the Sahara Desert could be a fragment of a destroyed sibling of Earth. The small planet might have been blasted to rubble when the solar system was young. Some of the planet’s remains could have been incorporated into the other rocky worlds, including Earth.
NWA 12774 is…
Antares, the bright star at the heart of Scorpius, huddles quite close to the Moon early this evening. They set not long after the sky gets dark, so there’s not a lot of time to look for them.
The Moon is a thin crescent now, so it’s night across most of the lunar disk. But on the brig…
The surface of the Moon seems eternal. There’s no air or water to reshape it, and no plate tectonics to jiggle things around. But the Moon does change – sometimes in a hurry. Scientists recently discovered an impact crater that’s almost 750 feet in diameter. It had been gouged dur…
The second-largest asteroid in the solar system is a puzzler. Most studies say it has the same layers as a planet, but that it’s not massive enough to pull itself into a fully rounded shape like a planet. But one study found that it’s not layered at all.
Vesta accounts for almost a ten…
The stars in a binary system can be quite intimate. One star can pull gas off the surface of its companion, for example. And in extreme cases, the stars can merge to form a single star. Both types of interactions can make the stars look a lot younger than they really are.
Many examples of this are…
A pair of big, young star clusters is one of the skywatching highlights of autumn evenings. Each cluster contains thousands of stars. And hundreds of those stars are especially impressive – supergiants that are many times the size and mass of the Sun, and many thousands of times brighter.
Th…
Cassiopeia is an easy constellation to pick out. The stars of the queen form a prominent letter M or W, which is visible even through moderate light pollution. And under dark skies, binoculars reveal several star clusters around that pattern, all immersed in the glow of the Milky Way.
One of the h…
A quiet monster lurks in the heart of M31, the Andromeda Galaxy. Known as M31-star, it’s a black hole a hundred million times the mass of the Sun, and 25 times heavier than the black hole at the heart of the Milky Way.
Every large galaxy probably has a supermassive black hole. And many of th…
Two-and-a-half million years ago, Earth was going through some big changes. It was the start of the Pleistocene epoch – a period of major ice ages. And the ancestors of modern humans were just appearing.
That timescale puts a little perspective on the distance to M31, the Andromeda Galaxy &#…
Disclaimer: The podcast and artwork embedded on this page are from Billy Henry, which is the property of its owner and not affiliated with or endorsed by Listen Notes, Inc.
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