We live in the Milky Way galaxy, a member of a collection of around 80 galaxies known as the Local Group.By Delta College Public Radio

An asteroid called 2024 YR4 currently has a small chance of hitting Earth in December of 2032. While it’s not massive enough to be considered a planetary threat, it is capable of leveling a city.By Delta College Public Radio

How long would it take to fly to Mars? What about Pluto? Let’s look at how long interplanetary travel takes.By Delta College Public Radio

Right now, in a nebula not so far from you, new stars are forming. How do stars form, and how close to Earth does star formation happen? In this episode, we’ll take a look at a region of stellar birth that’s about as close to Earth as it gets.By Delta College Public Radio

The universe is expanding, but how different methods for measuring its expansion give us different results. We call this the Hubble Tension.By Delta College Public Radio

Earth is always moving through the Solar System, and the Solar System is always moving through the galaxy, so just how fast are we moving through space?By Delta College Public Radio

How many stars can you see with the naked eye at night? 40 or 50 thousand? Or is it 100,000 stars? Have you ever tried to count? Well, a few astronomers have counted, and the number is pretty… disappointing.By Delta College Public Radio

Computers, tablets, and phones have become very fast. The latest multicore processors are capable of an incredible number of calculations each and every second. Yet, we are changing the way we do computing thanks to our ever-increasing knowledge in the field of quantum physics. How does quantum computing work, and are quantum computers faster than …

Let’s study the mystery of magnetism, exploring the tiny particles and invisible fields that govern this powerful interaction.By Delta College Public Radio

Ages ago, Venus may have had oceans of water and been much more like Earth. Where did all the water on Venus go? And why is it such a hellscape today?By Delta College Public Radio

Have you ever squinted at a shimmering lake or felt blinded by the reflection off a wet road? That's glare, and it's not just uncomfortable – it can make it difficult to see clearly.By Delta College Public Radio

A nova called T Coronae Borealis erupts every 80 years and your only chance to see it is sometime between right now and September of 2024.By Delta College Public Radio

Imagine sending massive amounts of data from our spacecraft and receiving high-res video in minutes, not hours or days. It might sound like science fiction, but that's the reality NASA's Deep Space Optical Communications Demo, or DSOC, is aiming for.By Delta College Public Radio

The radio spectrum is a fascinating realm of invisible energy carrying everything from your favorite radio station to your Wi-Fi connection and beyond. So how does it work?By Delta College Public Radio

We’ve all heard this number before – 9.8 m/s² – But what does that really tell us? And what does it have to do with our weight?By Delta College Public Radio

Mars is a world of towering mountains, vast plains, and deep canyons. Today, we're going to take a look at one of the most remarkable features on Mars: Valles Marineris or… the Mariner Valley.By Delta College Public Radio

Most of the universe is made of a type of matter that doesn’t interact with light—dark matter. This is a big deal—throughout history we’ve studied and learned about the universe by observing it, yet we can’t directly observe most of the universe!By Delta College Public Radio

Physicists have finally detected the elusive oxygen-28 isotope, but the observations are surprising and unexpected.By Delta College Public Radio

In 1942, a team working on the Manhattan Project were the first scientists to build a nuclear fission reactor, but it was only the first *man-made* fission reactor on Earth.By Delta College Public Radio

How many planets do we know of outside of our own Solar System? Are any of these planets habitable? How do we even find them?By Delta College Public Radio

There is a moon in our Solar System that is considered to be the most volcanically active world that we know of. This Moon is one of Jupiter’s 90+ known moons, and is called Io.By Delta College Public Radio

On Sept. 1, 1859, the most intense geomagnetic storm on record caused a planetwide disturbance.By Delta College Public Radio

Every now and then the news picks up on something interesting going on with the Moon. We often hear about a supermoon, or a harvest Moon, or my personal favorite the Super Blood Wolf Moon! Let’s dive into what all these terms mean.By Delta College Public Radio

Earth orbits the Sun in the habitable zone – a place where liquid water can exist in great quantities on our surface. But how would things change if Earth revolved around two suns, and do we know of any real-life planets that orbit more than one star?By Delta College Public Radio

Have you ever noticed how the siren of an ambulance sounds higher in pitch when it’s approaching, and lower when it’s driving away from you? That shift in pitch is related to the Doppler effect – an observed change in the length of a wave due to relative motion between the source and the observer.By Delta College Public Radio

In September of 2022 NASA conducted the world’s first planetary defense technology demonstration. NASA’s Double Asteroid Redirection Test demonstrated asteroid deflection by changing an asteroid’s motion in space through kinetic impact.By Delta College Public Radio

There are four fundamental forces that govern every interaction that happens in the universe and the strong nuclear force is responsible for keeping the nucleus of an atom together.By Delta College Public Radio

Never before in Earth’s history have we seen such a dramatic increase in the number of artificial satellites, and potential future debris, in orbit around the planet.By Delta College Public Radio

Whether or not you realize it, many things you do in your day-to-day life rely on laser technology. Let’s go through how lasers works and some potential applications.By Delta College Public Radio

What determines how long a star like our Sun lives? It’s been around about four and a half billion years, so why hasn’t it burned out yet? Also, what about all the other stars in our galaxy? How long will they live? Let’s take a look at the lifecycle and lifespan of these celestial powerhouses.By Delta College Public Radio

The universe is vast, and our place in the universe has been the subject of a large amount of research. Let’s take a close look at Earth’s place in the universe.By Delta College Public Radio

How practical is solar energy and putting solar panels up on your roof? What exactly will that accomplish for the environment and for your finances? Today, we’re going to look at the practical aspects of powering your home and community with solar.By Delta College Public Radio

Earth has a pretty large range of temperatures, but make no mistake about it, even with the extremes from Death Valley to the South Pole, it’s still mild here compared to any other world.By Delta College Public Radio

To take a closer look at the wonderous nature of the night sky, you may have considered getting a telescope at some point. Today, we look at different telescope types and a couple potential ways to see deeper into the universe.By Delta College Public Radio

Stars are so ridiculously distant that it’s hard to understand just how far-off they are. But how do we know, really, how far away stars are?By Delta College Public Radio

How may planets do we know of outside of our solar system… beyond the influence of our Sun? When a planet is found to orbit a star other than the Sun, it is called an exoplanet. Currently, there are around 5,000 known exoplanets.By Delta College Public Radio

While the Hubble Space Telescope continues to operate, NASA, The European Space Agency, and the Canadian Space Agency have collaborated to build, launch, and successfully deploy the most powerful and complex space telescope ever built.By Delta College Public Radio

There are a few misconceptions and many mesmerizing details about the nature of Polaris, also known as the North Star.By Delta College Public Radio

We think of the speed of light as almost instantaneous, but compared to the vastness of space, light is slow.By Delta College Public Radio

Every day, the Earth receives enough energy from the Sun to meet our energy needs for a year, thanks to nuclear fusion.By Delta College Public Radio

The night sky is likely to get a lot more dynamic in the coming years because of companies looking to get into the space Internet business.By Delta College Public Radio

Earth has one of the largest moons in the Solar System, even compared to the massive outer planets. How did Earth get such a massive moon?By Delta College Public Radio

Learn the difference between these two tests, what they do, and what kind of exposure you get from them.By Delta College Public Radio

Explores the radio waves and microwaves that make our cell phones work and see how our cellular technology might affect us on a cellular level.By Delta College Public Radio

How do mysterious little particles with no electric charge and nearly zero mass shed light on the creation of the universe?By Delta College Public Radio

What is antimatter and how can we use it?By Delta College Public Radio