A video taken by amateur astronomer Matthijs Burgmeijer shows a comet with the potential to become visible to the naked eye in just a few weeks streaking brightly across a background of stars.

Why it matters: The comet — named Comet C/2019 Y4 (ATLAS) — was discovered in December and since then has brightened beautifully as it started to fly closer to the Sun.

  • Comet ATLAS is expected to make its closest approach to the Sun in late May, potentially brightening to the point where observers in the Northern Hemisphere can see it without a telescope or binoculars.
  • Southern Hemisphere skywatchers should be able to see the comet after it swings around the Sun and before it heads out of the inner solar system, Burgmeijer told Axios.

But, but, but: Understanding comet behavior isn't an exact science, and Comet ATLAS might break apart before it brightens enough to put on a truly spectacular show.

  • "We simply have to wait and see how it will develop over the coming weeks," Burgmeijer said. "Comets are notoriously unpredictable."

Go deeper: An interstellar comet revealed

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The Democratic fight to shape Biden's climate policy

Illustration: Sarah Grillo/Axios

Left-wing climate activists don't want Joe Biden getting advice from people with credentials they don't like — and they're increasingly going public with their campaign.

Why it matters: Nobody is confusing Biden with President Trump, and his climate platform goes much further than anything contemplated in the Obama years.

19 mins ago - Sports

Factions form with college football season in the balance

Illustration: Aïda Amer/Axios

With college football on the brink, Monday saw an outpouring of support for playing a fall season from numerous parties, including President Trump, Ohio State coach Ryan Day and Michigan coach Jim Harbaugh.

Yes, but: Monday also saw the Mountain West Conference become the second FBS league to postpone fall sports, and the Big Ten and Pac-12 are expected to make the same decision as early as this morning.

Democrats announce full list of convention speakers

Barack and Michelle Obama at a 2017 Obama Foundation event. Photo: Scott Olson/Getty Images

Former President Obama and First Lady Michelle Obama will headline two nights of the Democratic National Convention, according to a full list of speakers released by the party on Tuesday.

Our thought bubble, via Axios' Margaret Talev: It signals how much the Democratic Party is still the party of Barack Obama — and how strongly Biden’s team feels the Obamas can validate his vice presidential choice and energize the party’s base.