Curated Video
Orbital Speed and Its Relationship with Orbital Radius and Period
The video discusses the relationship between orbital speed, orbital radius, and orbital period of objects in space. It explains how to calculate orbital speed using an equation and provides examples such as calculating the orbital speed...
Catalyst University
Pi-donors, Sigma-donors, and Pi-acceptors: Orbital Overlap
Pi-donors, Sigma-donors, and Pi-acceptors: Orbital Overlap
Professor Dave Explains
Periodic Table Part 1: Hydrogen
It's time to start our survey of the periodic table, and we are going to start with just one element, hydrogen. This is the most abundant element in the universe by a wide margin. What does it do? What are its properties? What are its...
Next Animation Studio
Newly discovered ‘super-Earth’ orbits its star once every 2.4 days
A “super-Earth” orbiting a red dwarf star has been discovered only 36 light years from Earth, according to a study published in the Astronomy & Astrophysics journal.
Catalyst University
Postulates of Quantum Mechanics: Orthogonality of Wavefunctions
Postulates of Quantum Mechanics: Orthogonality of Wavefunctions
Next Animation Studio
Pluto should still be considered a planet, according to new study
The International Astronomical Union should ‘rescind their non-scientific definition’ of Pluto as a dwarf planet, according to a five-year study
Catalyst University
Internal Conversion and Photoprotection: Applications in Biochemistry
Internal Conversion and Photoprotection: Applications in Biochemistry
Next Animation Studio
Space hotel’s builders get their first million
Orbital Assembly Corp aims to start building a huge wheel-shaped space station in low Earth orbit in 2025.
Next Animation Studio
SpaceX files to blast Starship into orbit with ‘Super Heavy’
SpaceX has filed an application with the FCC, outlining its plans for the first orbital test flight of its Starship spaceship within a year.
Next Animation Studio
Report: space station is part of China’s plan to dominate space
The annual threat-assessment report of the U.S. Director of National Intelligence says China is working to dominate space and is targeting U.S. satellites.
msvgo
The Carbon Family
It describes electronic configuration of the elements of group 14, their physical, chemical properties and their uses.
NASA
NASA | A Black Widow Pulsar Consumes its Mate
Black widow spiders and their Australian cousins, known as redbacks, are notorious for an unsettling tendency to kill and devour their male partners. Astronomers have noted similar behavior among two rare breeds of binary system that...
Professor Dave Explains
Examples of s-p Mixing in Molecular Orbital Theory
Admittedly, my prior tutorial on MO theory was a little confusing, and had some errors. I wanted to make things right, so here's another one! This will clarify some of the basic concepts, and will also extend them to discuss a new...
NASA
OSIRIS-REx Slings Orbital Web Around Asteroid to Capture Sample | 4K
101955 Bennu is one of Earth’s closest planetary neighbors – an asteroid roughly the height of a skyscraper, and since late 2018, the place that NASA’s OSIRIS-REx mission has called home. When OSIRIS-REx arrived on Dec. 3, 2018, it began...
NASA
Surprises from Asteroid Bennu
The OSIRIS-REx team has already pushed the boundaries of scientific exploration -- going from ground-based radar images from Arecibo in Puerto Rico all the way to orbiting a few hundred meters from asteroid Bennu. The team is mere months...
NASA
Designing Lucy’s Path to the Trojan Asteroids
Lucy is the first mission to explore the Jupiter Trojans – two swarms of asteroids that share Jupiter’s orbit, leading and trailing the giant planet by sixty degrees. These primitive bodies are thought to be the “fossils” of planet...
Professor Dave Explains
Types of Bonding in Transition Metal Systems and Simple Ligands
Now that we've made it through the periodic table, it's time to look at transition metals and the coordination compounds they can form. What types of ligands can they interact with, and how? What shapes do they make? There is so much to...
NASA
NASA’s OSIRIS-REx: Mission to Bennu
OSIRIS-REx is the third mission in NASA's New Frontiers Program. Its goal is to explore near-Earth asteroid Bennu, a remnant from the dawn of the solar system, and to return a sample of Bennu to Earth in 2023. OSIRIS-REx launched in...
NASA
OSIRIS-REx Meets Bennu’s Surprises
The OSIRIS-REx team has already pushed the boundaries of scientific exploration — going from ground-based radar images from Arecibo in Puerto Rico all the way to orbiting a few hundred meters from asteroid Bennu. The team is mere days...
Professor Dave Explains
Practice Problem: Electron Configuration and Quantum Numbers
Everyone has trouble with electron configurations and quantum numbers. Well today we are going to settle the score with a little practice!
Professor Dave Explains
IIT/JEE Chemistry Practice #14: Ionization Energy
Practice REAL problems from actual past IIT/JEE exams with Professor Dave!
Professor Dave Explains
IIT/JEE Chemistry Practice #13: Atomic Orbitals/Quantum Numbers
Practice REAL problems from actual past IIT/JEE exams with Professor Dave!