protostar
Webb Sees a Star in the Midst of Formation
Wherever the JWST looks in space, matter and energy are interacting in spectacular displays. The Webb reveals more detail in…
Water’s Epic Journey to Earth Began Before the Sun Formed
The origins of Earth's water is a complicated mystery that scientists have been untangling for decades. Life is impossible without…
Earth’s Water is 4.5 Billion Years Old
The origin of Earth's water has been an enduring mystery. There are different hypotheses and theories explaining how the water…
This is a Classic Example of a Reflection Nebula, Where the Reflected Light From Young Hot Stars Illuminates a Protostellar Cloud of Gas and Dust
The interplay of energy and matter creates beautiful sights. Here on Earth, we enjoy rainbows, auroras, and sunsets and sunrises.…
Newly Forming Stars Don’t Blast Away Material as Previously Believed. So Why Do They Stop Growing?
We thought we understood how stars are formed. It turns out, we don't. Not completely, anyway. A new study, recently…
Astronomers See a Newly Forming Planetary Disk That’s Continuing to Feed On Material from its Nebula
Over the last few years, astronomers have observed distant solar systems in their early stages of growth. ALMA (Atacama Large…
First Detailed Image Of Accretion Disk Around A Young Star
For the first time ever, an international team of astronomers - using the ALMA array - have taken a clear…
ALMA Spots a Nascent Stellar Monster
Even though it comprises over 99% of the mass of the Solar System (with Jupiter taking up most of the…
What is the Life Cycle of Stars?
Like all living beings, stars have a life cycle, which consists of birth, a lifespan characterized by growth and change,…
What Are The Different Types of Stars?
Stars come in many different sizes, colors, and types, and understanding where they fit in the grand scheme is important…