Guide to Space

What Are Light Echoes? Using Reflections Of Light To See Even Further Back In Time

When we look outward into space, we’re looking backwards in time. That’s because light moves, at the speed of light.…

2 years ago

Why Is The Moon’s South Pole So Important? It’s All About Water

As NASA prepares to return to the Moon by 2024 as part of its Artemis program, the agency is focusing…

2 years ago

Messier 91 – the NGC 4548 Barred Spiral Galaxy

Located in the constellation Virgo, about 63 million light-years from Earth, is the barred spiral galaxy known as Messier 91.

2 years ago

Planetary Society Deploys LightSail 2’s Solar Sail. What Does The Future Hold For Solar Sails?

Where you can travel in space depends on how much propellant you’ve got on board your rocket and how efficiently…

2 years ago

Messier 90 – the NGC 4569 Spiral Galaxy

Welcome back to Messier Monday! Today, we continue in our tribute to our dear friend, Tammy Plotner, by looking at…

2 years ago

Messier 89 – the NGC 4552 Spiral Galaxy

Located in the Virgo constellation, roughly 50 million light years from Earth, is the elliptical galaxy known as Messier 89.

2 years ago

Messier 88 – the NGC 4501 Spiral Galaxy

Located in the Coma Berenices constellation, about 50 to 60 million light-years from Earth, is the spiral galaxy known as…

2 years ago

Messier 87 – the Virgo A Supergiant Galaxy

Located in the Virgo constellation, roughly 53.5 million light years from Earth, is the supergiant galaxy known as Messier 87…

2 years ago

Messier 86 – the NGC 4406 Elliptical Galaxy

Located in the constellation Virgo, about 54 million light years from Earth, is the elliptical galaxy known as Messier 86.

2 years ago

Messier 85 – the NGC 4382 Elliptical (Lenticular) Galaxy

Located in the Coma Berenices constellation, roughly 60 million light years from Earth, is the elliptical galaxy known as Messier…

3 years ago