comets

Comets are celestial objects, comprised of frozen gases, rock, and dust, that orbit the sun. When a comet hurtles near the sun, its dusts and gases heat up and form a halo and a tail. In this informational book, readers learn the scientific history of discovering and identifying comets, the difference between comets and other space objects, and more. Photographs and artist renderings of comets and their paths help readers understand these amazing astronomical phenomena.

An introduction to comets, describing what they are, famous comets, what scientists seek to learn about them, common misconceptions about comets, and more.

"When will the world end? With massive comet Foxworth hurtling toward Earth, humanity now knows the exact date. Simon wants to spend his last weeks with the people he cares about most, especially his ex-girlfriend, Tilda, who dumped him shortly after the news broke. Since Lucinda was diagnosed with cancer she's retreated into herself, preparing for the inevitable. Suddenly facing down a death that makes her the same as everyone else, she longs to connect again, but doesn't know where to start. Reaching out to her former best friend seems like a good first step. Then Tilda's found dead and accusations start circling that Simon is the killer. With the days slipping away, Simon and Lucinda race to find answers, but the truth is they may never have known Tilda at all"--Provided by publisher.

Simple text and illustrations present interesting facts about space rocks, comets, asteroids, meteorites.

"Stink is camped out in the backyard with his sister, Judy, and he can't wait to lay eyes on P/2015 OZ4, also known as the Sherman-Holm Comet. But then news of an asteroid hitting Russia reaches Stink, and suddenly he's feeling squeamish (and squash-ish) about close encounters of the outer-space kind"--OCLC.

"Every evening, from the time she was a child, Maria Mitchell stood on her rooftop with her telescope and swept the sky. And then one night she saw something unusual--a comet no one had ever seen before! Miss Mitchell's extraordinary discovery made her famous the world over and paved the way for her to become America's first professional female astronomer"--Provided by publisher.

Presents twenty trivia facts about asteroids and comets.

A comic adaptation of Jules Verne's "Off On a Comet!" in which a comet strikes the Earth, thirty-six survivors find themselves stranded on a chunk of Earth hurtling through space.

Explains what comets are, how they are formed, and how their unusual orbits bring them into earth's view at predictable intervals, with a special focus on Halley's comet.

An illustrated introduction to asteroids, comets, and meteors, describing an imaginary journey to learn about the space rocks, reviewing the history of exploration, and discussing whether humans could live on asteroids or comets.