Sarah Hoffschwelle Cooper
A space writer who loves exploring the universe not through a telescope, but through words by translating complex science into stories that spark curiosity and wonder.
Latest From Sarah Hoffschwelle Cooper
How long is a day on each planet and Why?
What is a day? While this may seem like an obvious question with an obvious answer, it gets a little complicated when we begin to consider anywhere other than Earth.
what are exoplanets
Explore the fascinating world of exoplanets and learn how scientists discover them. Learn the methods used to detect them, and the latest discoveries in the field.
What time is considered to be dusk
Learn about the definition of dusk and when it occurs, including factors that influence its timing and variations based on location and time of year.
Space Junk Removal
Since the beginning of the Space Race, we’ve been adding debris to the area of space around Earth, and it’s a growing problem that we need to address before it’s too late.
How long does it take for light to reach Earth
Let’s explore the speed of light and how we use it to study the universe, including how we look into the past in the night sky.
How do astronauts shower in space?
Scrubbing up for our regular shower is important for maintaining good personal hygiene for our physical and mental health. However, being weightless, how do astronauts shower in space?
why are astronauts weightless in space
We have all seen and probably have felt envious of astronauts floating in space. But why do they float in space and on the International Space Station?
The brightest planets
There are many beautiful objects in the night sky including stars and planets. But, which planets are the brightest in the night sky?
how many earths can fit inside Jupiter
Discover the massive size of Jupiter and find out how many Earths can fit inside the solar system's biggest gas planet.
how do astronauts keep their living quarters clean
How do astronauts establish and maintain a clean, healthy environment? What do they do if someone gets sick? Let’s explore cleanliness and health in space.
Why does the Moon have so many craters?
What's the reason for the abundance of craters on the Moon's surface? Learn about the powerful impacts and the role they played in shaping the Moon's appearance.
The Lifecycle of Our Sun
Discover the fascinating journey of our Sun, from its formation in a cloud of gas and dust, to its time as a main-sequence star, and ultimately, its death as a red giant.
How do astronauts get back to earth?
Let’s go over the process of re-entry including the concerns and technological requirements of spacecraft along with the experiences of astronauts.
Lunar Eclipses: Viewing Dates and Locations
Let’s learn a little about lunar eclipses and then look at the upcoming calendar of lunar eclipses for 2023.
stargazing date
In this article, we'll go over the basics of creating a romantic and memorable stargazing experience for you and your loved one.
how are stars made
Discover the incredible process of star formation and the mysteries of a star's life cycle. From birth to death and possibly beyond, we explore the science behind it all.
how much does it cost to go to space
With new advancements in spaceflight technology, the costs of space travel are decreasing, making the dream of spaceflight a little closer for us all.
How to make DIY solar eclipse glasses
Create the perfect viewing experience for the upcoming solar eclipse with this easy DIY guide to making your own eclipse glasses.
What Are The Different Types of Constellations??
Constellations help us group the numerous stars into recognizable shapes, but how can we segment them into easier groups?
weirdest space facts
Did you know that the Big Bang didn't create just matter and energy? It also created time. Here are some of the weirdest space facts.