Heidi Hammel Biography

Hubble obtains its first detailed observations of Jupiter, including views of the Great Red Spot.

Hubble observations show that the large southern dark storm seen by Voyager 2 has disappeared.

Leads Hubble observations documenting atmospheric scars from the Shoemaker-Levy 9 impacts on Jupiter.

Hubble detects a new large dark storm forming in Neptune's northern hemisphere.

Hammel's Hubble observations are announced as evidence that Neptune's large dark storms can appear and disappear rapidly.

Long-term Hubble observations continue tracking changes in Neptune's clouds and large-scale atmospheric features.

Hubble images commemorate Neptune completing its first full orbit around the Sun since its discovery in 1846.

Webb obtains the clearest view of Neptune's rings in more than three decades, including faint dusty bands.