APOD Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss This “Life in the Universe” debate in 2020 has a quite different format than the commemorated “Scale of the Universe” debate in 1920. Here, instead of just two debaters, several noted scientists are giving their “best guess” asContinue Reading
APOD Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss The post Jessie Christiansen appeared first on NASA Science., Read MoreContinue Reading
APOD Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss The post Charles Cockell appeared first on NASA Science., Read MoreContinue Reading
APOD Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss The post Br. Guy Consolmagno SJ appeared first on NASA Science., Read MoreContinue Reading
The sewage sludge some farmers have applied to their fields for decades is contaminated with PFAS—with serious consequences for drinking water. By Ben Seal When Nicole Williams moved into her house in Pennsylvania’s North Centre Township in 2011, it was a homecoming. She’d spent the first few years of herContinue Reading
APOD Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss Astronomy Picture of the Day (APOD) is being used as an educational resource in classrooms from elementary school to graduate school. Below, some teachers share how they have used APOD in their classrooms. If you have found APOD usefulContinue Reading
APOD Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss 1920: Scale of the Universe Debate History & brief summaries: About the 1920 Greate Debate | Wikipedia | This Month in Astronomical History | Astronomy’s Great Remembrance Virginia Trimble: History of the Scale of the Universe Debate Deborah Shapley (Granddaughter): Harlow Shapley: Discovering Our Place in theContinue Reading
APOD Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss All digits accessible here were computed by Robert Nemiroff and Jerry Bonnell on a VMS Alpha. They are not copyrighted and we do not think it is legally justifiable to copyright such a basic thing as the digitsContinue Reading
APOD Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss Q1: What does APOD stand for? A1: APOD stands for the Astronomy Picture of the Day. We abbreviate this as APOD instead of ApotD because APOD sounds better (spoken: AYE-pod). Q2: How can I easily see yesterday’s APOD? A2: Click theContinue Reading
biosignature: A biological marker of life. For example, DNA. Drake Equation: A simple equation used to estimate the abundance of intelligent and communicative life in our galaxy exoplanet: A planet orbiting a distant star. HabEx: Habitable Exoplanet Imaging Mission IR: Infrared JWST: James Webb Space Telescope Kepler: Kepler space telescope LUVOIR: LargeContinue Reading
For Hugh Smith, the challenge of building an energy-secure future isn’t about creating the world’s “best” battery. It’s about designing the right battery for the right job. As a fifth-year PhD candidate in MIT’s Department of Materials Science and Engineering, Smith studies sodium-ion batteries, an emerging alternative to the lithium-ionContinue Reading
A new study finds the world’s great surf breaks are vulnerable to climate change. In Malibu, the problem is more specific: a coast with few defenses, with a record El Niño winter closing in. By Kate Waxman On a clean summer swell, the wave at Malibu’s Surfrider Beach arrives fromContinue Reading
Scientists have streamlined a method for measuring DNA-bound phosphorus in soil, making it cheaper and easier while preserving its accuracy. The technique could reveal how soil microbes help recycle phosphorus and ultimately support more sustainable fertilizer and nutrient management., Read MoreContinue Reading