Posts by Alexandra Christensen

As I've been studying our universe and learning about what differentiates planets from stars, how stars are born, and why they seem to twinkle, I've been reading about how different the planets are...

I remember standing outside with my friends as a child and gazing up into the night sky, looking for falling stars to make a wish. We would lie on the ground half the night staring up at the sky but...

It’s funny how, as a child, my friends and I used to lie on the grass and look up at the starry night sky and watch as all the stars and the moon seemed to slowly drift by, like a decorated float...

Though I don't remember much from the final Space Shuttle launch of STS-135, I do remember a sense of sadness as people crowded the Florida beaches and bridges to say goodbye to the end of a 30-year...

If, like me, you have always loved science but never really studied things like why the Earth orbits the Sun or how we have different seasons and night and day, then you are at the right place. As I...

There are thousands of man-made satellites that orbit Earth. They can be used by meteorologists to take pictures of the planet and help predict the weather. They can be used to help scientists study...