It’s time to start watching for Comet PANSTARRS, one of two comets to get excited about in 2013. Photo: This image provided by NASA shoaws the comet PANSTARRS as seen from Mount Dale, Western Australia on March 5, 2013. According to NASA on March 10, it will make its closest approach to the sun about 28 million miles (45 million kilometers) away. As it continues its nightly trek across the sky, the comet may get lost in the sun's glare but should return and be visible to the naked eye by March 12. (Photo by AP Photo/NASA)

Hungarian Puli sheep dog, Fee, jumps over a hurdle during a preview for a pedigree dog show in Dortmund on Thursday April 24, 2008. (Photo by Frank Augstein/AP Photo)

A Tibetan woman displays her Qing Dynasty family dress in Zhailong Village on April 24, 2005 in Danba County of Ganzi Tibetan Autonomous Prefecture, Sichuan Province, China. (Photo by China Photos/Getty Images)

A brown bears cools off in a pool at the bear sanctuary near the village of Mramor, on August 18, 2020. The bear sanctuary was closed for visitors on August 18, as part of safety measures to curb the spread of the COVID-19 (novel coronavirus) disease. (Photo by Armend Nimani/AFP Photo)

American actress Heather Rae Young feeds an alpaca a carrot stick from her mouth during her bridal shower hosted by PETA at Kindred Spirits Care Farm on September 2, 2021. On Thursday morning, PETA and rescued animals from Kindred Spirits Care Farm will host a bridal shower for Heather Rae Young in honor of the longtime animal rights activist and Selling Sunset star’s upcoming nuptials to Tarek El Moussa. (Photo by Snorlax/The Mega Agency)

An aerial view of the figure of a Catrina skull made with 18,000 Cempasuchil flowers (Mexican marigold) is on display at the Church of Santa Prisca as part of Day of the Dead celebrations, in Taxco, Mexico on October 27, 2021. (Photo by Daniel Cardenas/Anadolu Agency via Getty Images)

Birds sit on the back of a zebra in the Nairobi National Park, near Nairobi, Kenya, November 21, 2018. (Photo by Baz Ratner/Reuters)