Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The second is that NGC 346 is taking more time to dissipate its protoplanetary disks because of radiation pressure being expelled from its stars.

From Salon • Dec. 21, 2024

Newborn stars are typically surrounded by spinning rings of dust and gas known as protoplanetary disks, which provide the raw materials necessary for planets to take shape.

From Science Magazine • Mar. 8, 2024

Thanks to Webb, astronomers can now study the effect of UV radiation on the inner rocky-planet forming regions of protoplanetary disks around stars like our Sun.

From Science Daily • Nov. 30, 2023

Planets form in disks of gas and dust, known as protoplanetary disks, around protostars, young stars still in the process of forming.

From Science Daily • Oct. 6, 2023

Similar to how planets emerge from whirling protoplanetary disks of gas and dust around nascent protostars, large moons may form from smaller mini disks that arise around assembling gas giant worlds.

From Scientific American • Apr. 24, 2023