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Content provided by McDonald Observatory and Billy Henry. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by McDonald Observatory and Billy Henry or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://staging.podcastplayer.com/legal.
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Moon and Venus
Manage episode 478737649 series 178791
Content provided by McDonald Observatory and Billy Henry. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by McDonald Observatory and Billy Henry or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://staging.podcastplayer.com/legal.
Two bright crescents team up in the early morning the next couple of days: the Moon and the planet Venus – the brilliant “morning star.” They’re quite low as twilight begins to paint the dawn sky.
The Moon is an obvious crescent. The Sun illuminates only about one-sixth of the lunar hemisphere that faces our way – the crescent. It’s nighttime across the rest of the lunar disk.
It’s not especially dark, though. That’s because that part of the Moon is awash in earthshine – sunlight reflected off of Earth. Earth is much bigger than the Moon, and it’s more reflective. And it’s close to full as seen from the Moon, so the landscape on the nighttime part of the Moon would be much brighter than a moonlit night here on Earth.
Venus is a crescent as well. The Sun is lighting almost a quarter of the planet’s Earth-facing hemisphere. But you can’t see Venus’s phase with the eye alone – you need good binoculars or a telescope to see the shape.
Venus is fairly close to Earth now, so it’s just about as bright as it ever gets. It appears larger than average, and it’s completely covered by clouds that reflect most of the sunlight that strikes them. Over the next few months, Venus will move farther away from us. But the Sun will light up more of the hemisphere that faces Earth. So Venus will remain a bright presence in the morning sky well into fall.
We’ll have more about Venus and the Moon tomorrow.
Script by Damond Benningfield
2843 episodes
Share
Manage episode 478737649 series 178791
Content provided by McDonald Observatory and Billy Henry. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by McDonald Observatory and Billy Henry or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://staging.podcastplayer.com/legal.
Two bright crescents team up in the early morning the next couple of days: the Moon and the planet Venus – the brilliant “morning star.” They’re quite low as twilight begins to paint the dawn sky.
The Moon is an obvious crescent. The Sun illuminates only about one-sixth of the lunar hemisphere that faces our way – the crescent. It’s nighttime across the rest of the lunar disk.
It’s not especially dark, though. That’s because that part of the Moon is awash in earthshine – sunlight reflected off of Earth. Earth is much bigger than the Moon, and it’s more reflective. And it’s close to full as seen from the Moon, so the landscape on the nighttime part of the Moon would be much brighter than a moonlit night here on Earth.
Venus is a crescent as well. The Sun is lighting almost a quarter of the planet’s Earth-facing hemisphere. But you can’t see Venus’s phase with the eye alone – you need good binoculars or a telescope to see the shape.
Venus is fairly close to Earth now, so it’s just about as bright as it ever gets. It appears larger than average, and it’s completely covered by clouds that reflect most of the sunlight that strikes them. Over the next few months, Venus will move farther away from us. But the Sun will light up more of the hemisphere that faces Earth. So Venus will remain a bright presence in the morning sky well into fall.
We’ll have more about Venus and the Moon tomorrow.
Script by Damond Benningfield
2843 episodes
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Similar to StarDate
This Week in Evolution is a podcast on the biology of what makes us tick. Hosts Nels Elde and Vincent Racaniello take you through the new evolution that has been revolutionized by the field of genomics and molecular biology.
…
continue reading
Flash Forward is a show about possible (and not so possible) future scenarios. What would the warranty on a sex robot look like? How would diplomacy work if we couldn’t lie? Could there ever be a fecal transplant black market? (Complicated, it wouldn’t, and yes, respectively, in case you’re curious.) Hosted and produced by award winning science journalist Rose Eveleth, each episode combines audio drama and journalism to go deep on potential tomorrows, and uncovers what those futures might re ...
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…
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Come dive into one of the curiously delightful conversations overheard at National Geographic’s headquarters, as we follow explorers, photographers, and scientists to the edges of our big, weird, beautiful world. Hosted by Peter Gwin and Amy Briggs.
…
continue reading
The Science Show gives Australians unique insights into the latest scientific research and debate, from the physics of cricket to prime ministerial biorhythms.
…
continue reading
Scientists Daniel and Kelly cannot stop talking about our amazing, wonderful, weird Universe! Each episode is a fun, easy-to-understand, and in-depth explanation of topics in science, from particles to black holes to moon colonies to ecosystems to parasites and everything else in the Universe!
…
continue reading
Take a fact-based journey through the cosmos. Tune in to hear weekly discussions on astronomical topics ranging from planets to cosmology. Hosted by Fraser Cain (Universe Today) and Dr. Pamela L. Gay (Planetary Science Institute), this show brings the questions of an avid astronomy lover direct to an astronomer. Together Fraser and Pamela explore what is known and being discovered about the universe around us. Astronomy Cast is supported thru patreon.com/AstronomyCast.
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continue reading
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Go offline with the Player FM app!
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