An illustration of a recurrent nova in a system like T CrB that includes a red giant and white dwarf. David A. Hardy/PPARC

A new ‘guest star’ will appear in the sky in 2024 − a space scientist explains how nova events work and where to look

Your favorite TV show isn’t the only place where guest stars might appear. Keep an eye on the sky for the second half of 2024 and you might be able to witness a rare astronomical event.
Pluto, planet kerdil terbesar. Gambar ini diambil oleh pesawat ruang angkasa New Horizons NASA. NASA/JHUAPL/SwRI

Curious Kids: Apa itu planet kerdil?

Planet kerdil di Tata Surya kita dingin, gelap, jauh, dan penuh kejutan.
Pluto, the largest of the dwarf planets. This image was taken by NASA’s New Horizons spacecraft. NASA/JHUAPL/SwRI

What is a dwarf planet?

The dwarf planets in our Solar System are cold, dark, far away and full of surprises.
With giant Saturn hanging in the blackness and sheltering Cassini from the Sun’s blinding glare, the spacecraft viewed the rings as never before. NASA/JPL/Space Science Institute

A brief astronomical history of Saturn’s amazing rings

Although the rings of Saturn may look like a permanent fixture of the planet, they are ever-changing. New analyses of the rings reveal how and when they were made, from what and whether they’ll last.
Mars should be the next destination for humankind. Gorodenkoff/Shutterstock.com

Young Americans deserve a 21st‑century Moonshot to Mars

Americans need a new multi-decade Moonshot that will inspire several generations to shoot for the stars and pursue careers in space engineering and exploration.

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